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| 1 |
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import React, { useState, useRef, useEffect, useCallback } from 'react';
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import * as Tone from 'tone'; // Import Tone.js
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// Song data parsed from your previous responses
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const songsData = [
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{
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title: "Talkin' 'bout a Revolution",
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artist: "Tracy Chapman",
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sections: [
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{ type: "Intro", lines: [{ chords: "G C D G", lyrics: "" }] },
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{ type: "Verse 1", lines: [
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{ chords: "G C D G", lyrics: "While outside a revolution's talking..." },
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{ chords: "G C D G", lyrics: "It's gonna come, it's gonna come..." }
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]},
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{ type: "Chorus 1", lines: [
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{ chords: "G C D G", lyrics: "Talkin' 'bout a revolution, oh, no" },
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{ chords: "G C D G", lyrics: "Talkin' 'bout a revolution..." }
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]},
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{ type: "Verse 2", lines: [
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{ chords: "G C D G", lyrics: "While outside a revolution's talking..." },
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{ chords: "G C D G", lyrics: "It's gonna come, it's gonna come..." }
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]},
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{ type: "Chorus 2", lines: [
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{ chords: "G C D G", lyrics: "Talkin' 'bout a revolution, oh, no" },
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{ chords: "G C D G", lyrics: "Talkin' 'bout a revolution..." }
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]},
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{ type: "Outro", lines: [{ chords: "G C D G", lyrics: "(repeat and fade)" }] }
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]
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},
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{
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title: "Fast Car",
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artist: "Tracy Chapman",
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sections: [
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{ type: "Intro", lines: [{ chords: "C G Am F", lyrics: "" }] },
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{ type: "Verse 1", lines: [
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{ chords: "C G Am F", lyrics: "You got a fast car, I want a ticket to anywhere..." },
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| 37 |
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{ chords: "C G Am F", lyrics: "We go driving in it, anywhere, maybe we'll make a deal..." }
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]},
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{ type: "Chorus 1", lines: [
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{ chords: "C G Am F", lyrics: "So remember when we were driving, driving in your car..." },
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{ chords: "C G Am F", lyrics: "The speed of light, we gotta go, go, go, go, go..." }
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]},
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{ type: "Verse 2", lines: [
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{ chords: "C G Am F", lyrics: "You got a fast car, I got a plan to get us out of here..." },
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{ chords: "C G Am F", lyrics: "I been working at the convenience store, so slow..." }
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]},
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{ type: "Chorus 2", lines: [
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{ chords: "C G Am F", lyrics: "So remember when we were driving, driving in your car..." },
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| 49 |
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{ chords: "C G Am F", lyrics: "The speed of light, we gotta go, go, go, go, go..." }
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| 50 |
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]},
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| 51 |
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{ type: "Outro", lines: [{ chords: "C G Am F", lyrics: "(repeat and fade)" }] }
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| 52 |
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]
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},
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| 54 |
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{
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| 55 |
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title: "Cult of Personality",
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| 56 |
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artist: "Living Colour",
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sections: [
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{ type: "Intro", lines: [{ chords: "Em G C D", lyrics: "" }] },
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| 59 |
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{ type: "Verse 1", lines: [
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{ chords: "Em G C D", lyrics: "Look in my eyes, what do you see?" },
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| 61 |
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{ chords: "Em G C D", lyrics: "The cult of personality." }
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| 62 |
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]},
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| 63 |
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{ type: "Chorus 1", lines: [
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{ chords: "Em G C D", lyrics: "Cult of Personality! Cult of Personality!" }
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| 65 |
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]},
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{ type: "Verse 2", lines: [
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{ chords: "Em G C D", lyrics: "I look in your eyes, what do I see?" },
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| 68 |
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{ chords: "Em G C D", lyrics: "The cult of personality." }
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| 69 |
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]},
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| 70 |
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{ type: "Chorus 2", lines: [
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| 71 |
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{ chords: "Em G C D", lyrics: "Cult of Personality! Cult of Personality!" }
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| 72 |
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]},
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| 73 |
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{ type: "Outro", lines: [{ chords: "Em G C D", lyrics: "(repeated, building to a final hit on Em)" }] }
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| 74 |
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]
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| 75 |
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},
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| 76 |
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{
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| 77 |
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title: "Glamour Boys",
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| 78 |
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artist: "Living Colour",
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| 79 |
+
sections: [
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| 80 |
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{ type: "Intro", lines: [{ chords: "E B A E", lyrics: "" }] },
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| 81 |
+
{ type: "Verse 1", lines: [
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| 82 |
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{ chords: "E B", lyrics: "The Glamour Boys, they got the girls" },
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| 83 |
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{ chords: "A E", lyrics: "They got the cars, they got the pearls" }
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| 84 |
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]},
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| 85 |
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{ type: "Chorus 1", lines: [
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{ chords: "E B A E", lyrics: "Glamour Boys, oh, the Glamour Boys, what makes you think you're so cool?" }
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| 87 |
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]},
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| 88 |
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{ type: "Verse 2", lines: [
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{ chords: "E B", lyrics: "The Glamour Boys, they're so hip" },
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| 90 |
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{ chords: "A E", lyrics: "They got the style, they got the trip" }
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| 91 |
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]},
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| 92 |
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{ type: "Chorus 2", lines: [
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| 93 |
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{ chords: "E B A E", lyrics: "Glamour Boys, oh, the Glamour Boys, what makes you think you're so cool?" }
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| 94 |
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]},
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| 95 |
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{ type: "Outro", lines: [{ chords: "E B A E", lyrics: "(repeat and fade with guitar licks)" }] }
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| 96 |
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]
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| 97 |
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},
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| 98 |
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{
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| 99 |
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title: "Ocean Size",
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| 100 |
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artist: "Jane's Addiction",
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| 101 |
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sections: [
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| 102 |
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{ type: "Intro", lines: [{ chords: "C G Am F", lyrics: "" }] },
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| 103 |
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{ type: "Verse 1", lines: [
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| 104 |
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{ chords: "C G Am F", lyrics: "Day by day, as the weeks turn to months, I watch you..." },
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| 105 |
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{ chords: "C G Am F", lyrics: "Growing taller, growing wiser, growing stronger..." }
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| 106 |
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]},
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| 107 |
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{ type: "Chorus 1", lines: [
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| 108 |
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{ chords: "C G D F", lyrics: "Ocean size, it's the ocean size" },
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| 109 |
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{ chords: "C G D F", lyrics: "The ocean size, it's the ocean size" }
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]},
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| 111 |
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{ type: "Verse 2", lines: [
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| 112 |
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{ chords: "C G Am F", lyrics: "Day by day, as the weeks turn to months, I watch you..." },
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| 113 |
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{ chords: "C G Am F", lyrics: "Growing stronger, growing wiser, growing taller..." }
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| 114 |
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]},
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| 115 |
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{ type: "Chorus 2", lines: [
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| 116 |
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{ chords: "C G D F", lyrics: "Ocean size, it's the ocean size" },
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| 117 |
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{ chords: "C G D F", lyrics: "The ocean size, it's the ocean size" }
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| 118 |
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]},
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| 119 |
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{ type: "Outro", lines: [{ chords: "C G Am F", lyrics: "(repeat and fade)" }] }
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| 120 |
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]
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| 121 |
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},
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| 122 |
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{
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| 123 |
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title: "Mountain Song",
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| 124 |
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artist: "Jane's Addiction",
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| 125 |
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sections: [
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| 126 |
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{ type: "Intro", lines: [{ chords: "Em C G D", lyrics: "" }] },
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| 127 |
+
{ type: "Verse 1", lines: [
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| 128 |
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{ chords: "Em C G D", lyrics: "Coming down the mountain, I saw a girl" },
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| 129 |
+
{ chords: "Em C G D", lyrics: "She was looking at me, in my world" }
|
| 130 |
+
]},
|
| 131 |
+
{ type: "Chorus 1", lines: [
|
| 132 |
+
{ chords: "Em C G D", lyrics: "Mountain Song! Mountain Song!" }
|
| 133 |
+
]},
|
| 134 |
+
{ type: "Verse 2", lines: [
|
| 135 |
+
{ chords: "Em C G D", lyrics: "She said, \"Where'd you come from? Where'd you go?\"" },
|
| 136 |
+
{ chords: "Em C G D", lyrics: "\"I came from the mountain, don't you know?\"" }
|
| 137 |
+
]},
|
| 138 |
+
{ type: "Chorus 2", lines: [
|
| 139 |
+
{ chords: "Em C G D", lyrics: "Mountain Song! Mountain Song!" }
|
| 140 |
+
]},
|
| 141 |
+
{ type: "Outro", lines: [{ chords: "Em C G D", lyrics: "(repeat and fade)" }] }
|
| 142 |
+
]
|
| 143 |
+
},
|
| 144 |
+
{
|
| 145 |
+
title: "Where Is My Mind?",
|
| 146 |
+
artist: "Pixies",
|
| 147 |
+
sections: [
|
| 148 |
+
{ type: "Intro", lines: [{ chords: "C G Am F", lyrics: "" }] },
|
| 149 |
+
{ type: "Verse 1", lines: [
|
| 150 |
+
{ chords: "C G Am F", lyrics: "With your feet on the air and your head on the ground..." },
|
| 151 |
+
{ chords: "C G Am F", lyrics: "Try this trick and spin it, yeah..." }
|
| 152 |
+
]},
|
| 153 |
+
{ type: "Chorus 1", lines: [
|
| 154 |
+
{ chords: "C G Am F", lyrics: "Where is my mind? Where is my mind?" },
|
| 155 |
+
{ chords: "C G Am F", lyrics: "Where is my mind? Way out in the water, see it swimming..." }
|
| 156 |
+
]},
|
| 157 |
+
{ type: "Verse 2", lines: [
|
| 158 |
+
{ chords: "C G Am F", lyrics: "I was thinking about you and the things we've done..." },
|
| 159 |
+
{ chords: "C G Am F", lyrics: "And all the places we've been to, oh yeah..." }
|
| 160 |
+
]},
|
| 161 |
+
{ type: "Chorus 2", lines: [
|
| 162 |
+
{ chords: "C G Am F", lyrics: "Where is my mind? Where is my mind?" },
|
| 163 |
+
{ chords: "C G Am F", lyrics: "Where is my mind? Way out in the water, see it swimming..." }
|
| 164 |
+
]},
|
| 165 |
+
{ type: "Outro", lines: [{ chords: "C G Am F", lyrics: "(repeat and fade)" }] }
|
| 166 |
+
]
|
| 167 |
+
},
|
| 168 |
+
{
|
| 169 |
+
title: "Fisherman's Blues",
|
| 170 |
+
artist: "The Waterboys",
|
| 171 |
+
sections: [
|
| 172 |
+
{ type: "Intro", lines: [{ chords: "G C D G", lyrics: "" }] },
|
| 173 |
+
{ type: "Verse 1", lines: [
|
| 174 |
+
{ chords: "G C D G", lyrics: "I wish I was a fisherman, tumbling on the sea" },
|
| 175 |
+
{ chords: "G C D G", lyrics: "Far away from dry land, and its bitter misery" }
|
| 176 |
+
]},
|
| 177 |
+
{ type: "Chorus 1", lines: [
|
| 178 |
+
{ chords: "G C D G", lyrics: "I'm gonna make a record, a record of my dreams" },
|
| 179 |
+
{ chords: "G C D G", lyrics: "And let the wind and the waves sing along to the themes" }
|
| 180 |
+
]},
|
| 181 |
+
{ type: "Verse 2", lines: [
|
| 182 |
+
{ chords: "G C D G", lyrics: "I wish I was a fisherman, out on the rolling deep" },
|
| 183 |
+
{ chords: "G C D G", lyrics: "With nothing but the stars to guide me, while the city sleeps" }
|
| 184 |
+
]},
|
| 185 |
+
{ type: "Chorus 2", lines: [
|
| 186 |
+
{ chords: "G C D G", lyrics: "I'm gonna make a record, a record of my dreams" },
|
| 187 |
+
{ chords: "G C D G", lyrics: "And let the wind and the waves sing along to the themes" }
|
| 188 |
+
]},
|
| 189 |
+
{ type: "Outro", lines: [{ chords: "G C D G", lyrics: "(repeat and fade)" }] }
|
| 190 |
+
]
|
| 191 |
+
},
|
| 192 |
+
{
|
| 193 |
+
title: "Express Yourself",
|
| 194 |
+
artist: "N.W.A.",
|
| 195 |
+
sections: [
|
| 196 |
+
{ type: "Intro", lines: [{ chords: "F Am Dm C", lyrics: "" }] },
|
| 197 |
+
{ type: "Verse 1", lines: [
|
| 198 |
+
{ chords: "F Am Dm C", lyrics: "I'm expressing with my full capabilities, and now I'm living in reality..." },
|
| 199 |
+
{ chords: "F Am Dm C", lyrics: "The only solution is to get involved and move it..." }
|
| 200 |
+
]},
|
| 201 |
+
{ type: "Chorus 1", lines: [
|
| 202 |
+
{ chords: "F Am Dm C", lyrics: "Express yourself! Express yourself!" },
|
| 203 |
+
{ chords: "F Am Dm C", lyrics: "Express yourself! It's a brand new thing..." }
|
| 204 |
+
]},
|
| 205 |
+
{ type: "Verse 2", lines: [
|
| 206 |
+
{ chords: "F Am Dm C", lyrics: "Now I'm the one, I'm the one, I'm the one that you know..." },
|
| 207 |
+
{ chords: "F Am Dm C", lyrics: "Coming to get you, coming to get you, coming to get you, watch me go..." }
|
| 208 |
+
]},
|
| 209 |
+
{ type: "Chorus 2", lines: [
|
| 210 |
+
{ chords: "F Am Dm C", lyrics: "Express yourself! Express yourself!" },
|
| 211 |
+
{ chords: "F Am Dm C", lyrics: "Express yourself! It's a brand new thing..." }
|
| 212 |
+
]},
|
| 213 |
+
{ type: "Outro", lines: [{ chords: "F Am Dm C", lyrics: "(repeat and fade)" }] }
|
| 214 |
+
]
|
| 215 |
+
},
|
| 216 |
+
{
|
| 217 |
+
title: "One",
|
| 218 |
+
artist: "Metallica",
|
| 219 |
+
sections: [
|
| 220 |
+
{ type: "Intro", lines: [{ chords: "Am G C F", lyrics: "(Acoustic Intro/Verse Part)" }] },
|
| 221 |
+
{ type: "Verse 1", lines: [
|
| 222 |
+
{ chords: "Am G C F", lyrics: "I can't remember anything, can't tell if this is true or dream..." },
|
| 223 |
+
{ chords: "Am G C F", lyrics: "Deep down inside I feel the scream..." }
|
| 224 |
+
]},
|
| 225 |
+
{ type: "Chorus 1", lines: [ // Note: This is not a traditional chorus for this song, but the repeated progression
|
| 226 |
+
{ chords: "Am G C F", lyrics: "Hold my breath as I wish for death..." }
|
| 227 |
+
]},
|
| 228 |
+
{ type: "Verse 2", lines: [
|
| 229 |
+
{ chords: "Am G C F", lyrics: "Life it seems will fade away, drifting further every day..." },
|
| 230 |
+
{ chords: "Am G C F", lyrics: "Getting lost within myself, nothing matters, no one else..." }
|
| 231 |
+
]},
|
| 232 |
+
{ type: "Chorus 2", lines: [ // Note: This is not a traditional chorus for this song, but the repeated progression
|
| 233 |
+
{ chords: "Am G C F", lyrics: "All the thoughts that I have now..." }
|
| 234 |
+
]},
|
| 235 |
+
{ type: "Outro", lines: [{ chords: "E5 - D5 - C5 - A5", lyrics: "(heavy riffing, fast tempo, ends on E5)" }] }
|
| 236 |
+
]
|
| 237 |
+
},
|
| 238 |
+
{
|
| 239 |
+
title: "Handle with Care",
|
| 240 |
+
artist: "Traveling Wilburys",
|
| 241 |
+
sections: [
|
| 242 |
+
{ type: "Intro", lines: [{ chords: "G D Em C", lyrics: "" }] },
|
| 243 |
+
{ type: "Verse 1", lines: [
|
| 244 |
+
{ chords: "G D Em C", lyrics: "Been beat up and battered 'round, been sent up, and I've been shot down..." },
|
| 245 |
+
{ chords: "G D Em C", lyrics: "You're the best thing that I've found, handle me with care." }
|
| 246 |
+
]},
|
| 247 |
+
{ type: "Chorus 1", lines: [
|
| 248 |
+
{ chords: "G D Em C", lyrics: "Handle me with care, handle me with care" },
|
| 249 |
+
{ chords: "G D Em C", lyrics: "Handle me with care, handle me with care" }
|
| 250 |
+
]},
|
| 251 |
+
{ type: "Verse 2", lines: [
|
| 252 |
+
{ chords: "G D Em C", lyrics: "I been stuck in so much traffic, I'm a mess, a nervous wreck..." },
|
| 253 |
+
{ chords: "G D Em C", lyrics: "I could use some tender love and care, handle me with care." }
|
| 254 |
+
]},
|
| 255 |
+
{ type: "Chorus 2", lines: [
|
| 256 |
+
{ chords: "G D Em C", lyrics: "Handle me with care, handle me with care" },
|
| 257 |
+
{ chords: "G D Em C", lyrics: "Handle me with care, handle me with care" }
|
| 258 |
+
]},
|
| 259 |
+
{ type: "Outro", lines: [{ chords: "G D Em C", lyrics: "(repeat and fade)" }] }
|
| 260 |
+
]
|
| 261 |
+
}
|
| 262 |
+
];
|
| 263 |
+
|
| 264 |
+
|
| 265 |
+
// Simplified chord to MIDI note mapping
|
| 266 |
+
// Maps chord root to MIDI note number (C4 = 60) and then adds intervals for Major/Minor triad
|
| 267 |
+
const chordToMidi = (chordName) => {
|
| 268 |
+
const rootMap = {
|
| 269 |
+
'C': 60, 'C#': 61, 'Db': 61, 'D': 62, 'D#': 63, 'Eb': 63, 'E': 64, 'F': 65,
|
| 270 |
+
'F#': 66, 'Gb': 66, 'G': 67, 'G#': 68, 'Ab': 68, 'A': 69, 'A#': 70, 'Bb': 70, 'B': 71
|
| 271 |
+
};
|
| 272 |
+
|
| 273 |
+
let root = null;
|
| 274 |
+
let type = 'major'; // Default to major
|
| 275 |
+
let octaveOffset = 0; // Default to 4th octave for root
|
| 276 |
+
|
| 277 |
+
// Parse root and accidental (e.g., C#, Eb)
|
| 278 |
+
let baseChord = chordName.trim().replace('5', ''); // Handle power chords as root
|
| 279 |
+
const match = baseChord.match(/^([A-G][b#]?)/);
|
| 280 |
+
if (match) {
|
| 281 |
+
root = rootMap[match[1]];
|
| 282 |
+
baseChord = baseChord.substring(match[1].length); // Remove root for type parsing
|
| 283 |
+
} else {
|
| 284 |
+
// Fallback for unparseable roots, or just return empty
|
| 285 |
+
return [];
|
| 286 |
+
}
|
| 287 |
+
|
| 288 |
+
// Determine chord type (simple major/minor/power for now)
|
| 289 |
+
if (baseChord.includes('m') || baseChord.includes('min')) {
|
| 290 |
+
type = 'minor';
|
| 291 |
+
} else if (baseChord.includes('5')) { // Explicit power chord
|
| 292 |
+
type = 'power';
|
| 293 |
+
}
|
| 294 |
+
|
| 295 |
+
if (root === null) return []; // Should not happen with match check above
|
| 296 |
+
|
| 297 |
+
const notes = [root + octaveOffset];
|
| 298 |
+
if (type === 'major') {
|
| 299 |
+
notes.push(root + 4 + octaveOffset); // Major third
|
| 300 |
+
notes.push(root + 7 + octaveOffset); // Perfect fifth
|
| 301 |
+
} else if (type === 'minor') {
|
| 302 |
+
notes.push(root + 3 + octaveOffset); // Minor third
|
| 303 |
+
notes.push(root + 7 + octaveOffset); // Perfect fifth
|
| 304 |
+
} else if (type === 'power') {
|
| 305 |
+
notes.push(root + 7 + octaveOffset); // Perfect fifth
|
| 306 |
+
}
|
| 307 |
+
|
| 308 |
+
// Add higher octave for fuller sound, if it makes sense
|
| 309 |
+
if (notes.length > 0) {
|
| 310 |
+
notes.push(notes[0] + 12); // Add root an octave higher
|
| 311 |
+
}
|
| 312 |
+
|
| 313 |
+
return notes;
|
| 314 |
+
};
|
| 315 |
+
|
| 316 |
+
|
| 317 |
+
// Main App Component
|
| 318 |
+
const App = () => {
|
| 319 |
+
const [currentSongIndex, setCurrentSongIndex] = useState(0);
|
| 320 |
+
const [currentTempo, setCurrentTempo] = useState(90); // Default to Medium tempo
|
| 321 |
+
const synthRef = useRef(null);
|
| 322 |
+
const playSequenceRef = useRef(null);
|
| 323 |
+
|
| 324 |
+
// Define tempo presets
|
| 325 |
+
const tempos = {
|
| 326 |
+
slow: 30,
|
| 327 |
+
medium: 90, // Changed from previous default for distinct steps
|
| 328 |
+
fast: 128
|
| 329 |
+
};
|
| 330 |
+
|
| 331 |
+
// Initialize Tone.js synth once
|
| 332 |
+
useEffect(() => {
|
| 333 |
+
// Only create synth if it doesn't exist
|
| 334 |
+
if (!synthRef.current) {
|
| 335 |
+
synthRef.current = new Tone.PolySynth(Tone.Synth, {
|
| 336 |
+
envelope: {
|
| 337 |
+
attack: 0.02,
|
| 338 |
+
decay: 0.1,
|
| 339 |
+
sustain: 0.3,
|
| 340 |
+
release: 1
|
| 341 |
+
}
|
| 342 |
+
}).toDestination();
|
| 343 |
+
}
|
| 344 |
+
|
| 345 |
+
// Cleanup function
|
| 346 |
+
return () => {
|
| 347 |
+
if (synthRef.current) {
|
| 348 |
+
synthRef.current.dispose();
|
| 349 |
+
synthRef.current = null;
|
| 350 |
+
}
|
| 351 |
+
if (playSequenceRef.current) {
|
| 352 |
+
playSequenceRef.current.stop();
|
| 353 |
+
playSequenceRef.current.dispose();
|
| 354 |
+
playSequenceRef.current = null;
|
| 355 |
+
}
|
| 356 |
+
Tone.Transport.stop(); // Stop transport on unmount
|
| 357 |
+
};
|
| 358 |
+
}, []); // Run once on mount
|
| 359 |
+
|
| 360 |
+
const currentSong = songsData[currentSongIndex];
|
| 361 |
+
|
| 362 |
+
const handleNextSong = () => {
|
| 363 |
+
if (playSequenceRef.current) {
|
| 364 |
+
playSequenceRef.current.stop(); // Stop any current playback
|
| 365 |
+
}
|
| 366 |
+
setCurrentSongIndex((prevIndex) => (prevIndex + 1) % songsData.length);
|
| 367 |
+
};
|
| 368 |
+
|
| 369 |
+
const handlePrevSong = () => {
|
| 370 |
+
if (playSequenceRef.current) {
|
| 371 |
+
playSequenceRef.current.stop(); // Stop any current playback
|
| 372 |
+
}
|
| 373 |
+
setCurrentSongIndex((prevIndex) => (prevIndex - 1 + songsData.length) % songsData.length);
|
| 374 |
+
};
|
| 375 |
+
|
| 376 |
+
const setTempo = (tempoValue) => {
|
| 377 |
+
setCurrentTempo(tempoValue);
|
| 378 |
+
Tone.Transport.bpm.value = tempoValue; // Update Tone.js Transport BPM
|
| 379 |
+
if (playSequenceRef.current && Tone.Transport.state === 'started') {
|
| 380 |
+
// If playing, restart the sequence to apply tempo immediately
|
| 381 |
+
playChords(); // This will stop and restart with new tempo
|
| 382 |
+
}
|
| 383 |
+
};
|
| 384 |
+
|
| 385 |
+
|
| 386 |
+
const playChords = useCallback(async () => {
|
| 387 |
+
if (!synthRef.current) {
|
| 388 |
+
console.error("Synth not initialized.");
|
| 389 |
+
return;
|
| 390 |
+
}
|
| 391 |
+
|
| 392 |
+
// Start Tone.js audio context if not already started
|
| 393 |
+
if (Tone.context.state !== 'running') {
|
| 394 |
+
await Tone.start();
|
| 395 |
+
console.log('Audio context started.');
|
| 396 |
+
}
|
| 397 |
+
|
| 398 |
+
// Stop any existing sequence and transport
|
| 399 |
+
if (playSequenceRef.current) {
|
| 400 |
+
playSequenceRef.current.stop();
|
| 401 |
+
playSequenceRef.current.dispose();
|
| 402 |
+
playSequenceRef.current = null;
|
| 403 |
+
}
|
| 404 |
+
Tone.Transport.stop();
|
| 405 |
+
Tone.Transport.cancel(); // Clear any scheduled events
|
| 406 |
+
|
| 407 |
+
// Set the tempo before starting the transport
|
| 408 |
+
Tone.Transport.bpm.value = currentTempo;
|
| 409 |
+
|
| 410 |
+
const allChords = [];
|
| 411 |
+
currentSong.sections.forEach(section => {
|
| 412 |
+
section.lines.forEach(line => {
|
| 413 |
+
// Simple regex to extract individual chord names, assume space-separated
|
| 414 |
+
const chordsInLine = line.chords.split(/\s+/).filter(c => c.length > 0);
|
| 415 |
+
chordsInLine.forEach(chord => allChords.push(chord));
|
| 416 |
+
});
|
| 417 |
+
});
|
| 418 |
+
|
| 419 |
+
if (allChords.length === 0) {
|
| 420 |
+
console.warn("No chords found for this song.");
|
| 421 |
+
return;
|
| 422 |
+
}
|
| 423 |
+
|
| 424 |
+
// Create a new sequence for playback
|
| 425 |
+
// The interval '1n' means one whole note per chord in this sequence
|
| 426 |
+
// Tone.js Transport BPM controls the actual duration of '1n'
|
| 427 |
+
playSequenceRef.current = new Tone.Sequence((time, chordName) => {
|
| 428 |
+
const midiNotes = chordToMidi(chordName);
|
| 429 |
+
if (midiNotes.length > 0) {
|
| 430 |
+
synthRef.current.triggerAttackRelease(midiNotes.map(n => Tone.Midi(n).toNote()), "0.8n", time); // hold for 0.8 of a whole note
|
| 431 |
+
}
|
| 432 |
+
}, allChords, "1n").start(0); // Each chord plays for 1 whole note duration
|
| 433 |
+
|
| 434 |
+
Tone.Transport.start();
|
| 435 |
+
|
| 436 |
+
}, [currentSong, currentTempo]); // Recreate sequence if current song or tempo changes
|
| 437 |
+
|
| 438 |
+
// Stop playback when song index changes
|
| 439 |
+
useEffect(() => {
|
| 440 |
+
if (playSequenceRef.current) {
|
| 441 |
+
playSequenceRef.current.stop();
|
| 442 |
+
Tone.Transport.stop();
|
| 443 |
+
}
|
| 444 |
+
}, [currentSongIndex]);
|
| 445 |
+
|
| 446 |
+
|
| 447 |
+
return (
|
| 448 |
+
<div className="flex flex-col h-screen bg-gray-900 text-gray-100 font-inter">
|
| 449 |
+
{/* Header with song title and artist */}
|
| 450 |
+
<header className="p-4 bg-gray-800 shadow-md text-center rounded-b-lg">
|
| 451 |
+
<h1 className="text-3xl font-bold text-blue-400">
|
| 452 |
+
{currentSong.title}
|
| 453 |
+
</h1>
|
| 454 |
+
<p className="text-xl text-gray-300">{currentSong.artist}</p>
|
| 455 |
+
</header>
|
| 456 |
+
|
| 457 |
+
{/* Main content area - lyrics and chords */}
|
| 458 |
+
<main className="flex-1 overflow-y-auto p-6 text-2xl leading-relaxed">
|
| 459 |
+
{currentSong.sections.map((section, secIndex) => (
|
| 460 |
+
<div key={secIndex} className="mb-8">
|
| 461 |
+
<h2 className="text-3xl font-semibold text-yellow-300 mb-4 sticky top-0 bg-gray-900 py-2 z-10">
|
| 462 |
+
{section.type}
|
| 463 |
+
</h2>
|
| 464 |
+
{section.lines.map((line, lineIndex) => (
|
| 465 |
+
<div key={lineIndex} className="mb-4">
|
| 466 |
+
<p className="font-bold text-green-300 whitespace-pre">
|
| 467 |
+
{line.chords}
|
| 468 |
+
</p>
|
| 469 |
+
<p className="text-gray-100">
|
| 470 |
+
{line.lyrics}
|
| 471 |
+
</p>
|
| 472 |
+
</div>
|
| 473 |
+
))}
|
| 474 |
+
</div>
|
| 475 |
+
))}
|
| 476 |
+
</main>
|
| 477 |
+
|
| 478 |
+
{/* Navigation and MIDI controls */}
|
| 479 |
+
<footer className="p-4 bg-gray-800 shadow-t-md flex justify-center items-center space-x-4 rounded-t-lg flex-wrap">
|
| 480 |
+
<button
|
| 481 |
+
onClick={handlePrevSong}
|
| 482 |
+
className="bg-blue-600 hover:bg-blue-700 text-white font-bold py-3 px-6 rounded-lg shadow-lg transition duration-300 ease-in-out transform hover:scale-105 my-2"
|
| 483 |
+
>
|
| 484 |
+
Previous Song
|
| 485 |
+
</button>
|
| 486 |
+
<button
|
| 487 |
+
onClick={() => setTempo(tempos.slow)}
|
| 488 |
+
className={`py-3 px-6 rounded-lg shadow-lg transition duration-300 ease-in-out transform hover:scale-105 my-2 ${currentTempo === tempos.slow ? 'bg-purple-700' : 'bg-purple-500 hover:bg-purple-600'} text-white font-bold`}
|
| 489 |
+
>
|
| 490 |
+
Slow ({tempos.slow} BPM)
|
| 491 |
+
</button>
|
| 492 |
+
<button
|
| 493 |
+
onClick={() => setTempo(tempos.medium)}
|
| 494 |
+
className={`py-3 px-6 rounded-lg shadow-lg transition duration-300 ease-in-out transform hover:scale-105 my-2 ${currentTempo === tempos.medium ? 'bg-purple-700' : 'bg-purple-500 hover:bg-purple-600'} text-white font-bold`}
|
| 495 |
+
>
|
| 496 |
+
Medium ({tempos.medium} BPM)
|
| 497 |
+
</button>
|
| 498 |
+
<button
|
| 499 |
+
onClick={() => setTempo(tempos.fast)}
|
| 500 |
+
className={`py-3 px-6 rounded-lg shadow-lg transition duration-300 ease-in-out transform hover:scale-105 my-2 ${currentTempo === tempos.fast ? 'bg-purple-700' : 'bg-purple-500 hover:bg-purple-600'} text-white font-bold`}
|
| 501 |
+
>
|
| 502 |
+
Fast ({tempos.fast} BPM)
|
| 503 |
+
</button>
|
| 504 |
+
<button
|
| 505 |
+
onClick={playChords}
|
| 506 |
+
className="bg-green-600 hover:bg-green-700 text-white font-bold py-3 px-6 rounded-lg shadow-lg transition duration-300 ease-in-out transform hover:scale-105 my-2"
|
| 507 |
+
>
|
| 508 |
+
Play Chords
|
| 509 |
+
</button>
|
| 510 |
+
<button
|
| 511 |
+
onClick={handleNextSong}
|
| 512 |
+
className="bg-blue-600 hover:bg-blue-700 text-white font-bold py-3 px-6 rounded-lg shadow-lg transition duration-300 ease-in-out transform hover:scale-105 my-2"
|
| 513 |
+
>
|
| 514 |
+
Next Song
|
| 515 |
+
</button>
|
| 516 |
+
</footer>
|
| 517 |
+
</div>
|
| 518 |
+
);
|
| 519 |
+
};
|
| 520 |
+
|
| 521 |
+
export default App;
|