when i type fasmous bollywood hindi song pal pal sung by great kishore kumar , then it must show lyrics, chords, capo position song details and transpose +- buttons but it's not showing in result , please fix this or add this feature for all language song and suggest youtube videos also like my youtube channel "GuitarGaani" - Follow Up Deployment

index.html

@@ -134,9 +134,23 @@
                         <div id="song-results" class="hidden">
                             <div class="flex justify-between items-center mb-4">
                                 <h3 class="text-xl font-bold text-gray-800" id="song-title">Song Title</h3>
-                                <button id="send-to-teleprompter" class="bg-purple-600 text-white px-4 py-1 rounded-lg hover:bg-purple-700 transition flex items-center">
-                                    <i class="fas fa-arrow-right mr-2"></i> To Teleprompter
-                                </button>
+                                <div class="flex space-x-2">
+                                    <button id="transpose-up" class="bg-blue-100 text-blue-700 px-3 py-1 rounded-lg hover:bg-blue-200 transition">
+                                        <i class="fas fa-arrow-up"></i> +1
+                                    </button>
+                                    <button id="transpose-down" class="bg-blue-100 text-blue-700 px-3 py-1 rounded-lg hover:bg-blue-200 transition">
+                                        <i class="fas fa-arrow-down"></i> -1
+                                    </button>
+                                    <button id="send-to-teleprompter" class="bg-purple-600 text-white px-4 py-1 rounded-lg hover:bg-purple-700 transition flex items-center">
+                                        <i class="fas fa-arrow-right mr-2"></i> To Teleprompter
+                                    </button>
+                                </div>
+                            </div>
+                            <div id="youtube-link" class="mb-2 hidden">
+                                <a href="#" target="_blank" class="text-red-600 hover:text-red-700 flex items-center">
+                                    <i class="fab fa-youtube mr-2"></i> Watch on YouTube
+                                </a>
+                                <p class="text-sm text-gray-600 mt-1">Check out <a href="https://www.youtube.com/c/GuitarGaani" target="_blank" class="text-blue-600">GuitarGaani</a> for more tutorials!</p>
                             </div>
                             
                             <div class="flex items-center space-x-4 mb-4">
@@ -551,34 +565,142 @@ Em7       G
 Feels the way I do
 C         D7
 About you now
+`
+            },
+            "smells like teen spirit": {
+                title: "Smells Like Teen Spirit",
+                artist: "Nirvana",
+                year: "1991",
+                key: "F minor",
+                capo: "No capo",
+                difficulty: "Intermediate",
+                tuning: "Drop D",
+                chords: ["F5", "Bb5", "Ab5", "Db5"],
+                lyrics: `
+[Intro]
+F5  Bb5  Ab5  Db5
+
+[Verse]
+F5              Bb5
+Load up on guns, bring your friends
+Ab5             Db5
+It's fun to lose and to pretend
+F5              Bb5
+She's over bored and self assured
+Ab5             Db5
+Oh no, I know a dirty word
+
+[Chorus]
+F5      Bb5
+Hello, hello, hello, how low
+F5      Bb5
+Hello, hello, hello, how low
+F5      Bb5
+Hello, hello, hello, how low
+Ab5    Db5
+Hello, hello, hello
+[Intro]
+Em7  G  D  A7sus4
+
+[Verse 1]
+Em7            G
+Today is gonna be the day
+D             A7sus4
+That they're gonna throw it back to you
+Em7               G
+By now you should've somehow
+D              A7sus4
+Realized what you gotta do
+
+[Chorus]
+C         D7
+I don't believe that anybody
+Em7       G
+Feels the way I do
+C         D7
+About you now
+`
+            },
+            "pal pal": {
+                title: "Pal Pal Dil Ke Paas",
+                artist: "Kishore Kumar",
+                year: "1973",
+                key: "C Major",
+                capo: "3rd fret",
+                difficulty: "Intermediate",
+                tuning: "Standard",
+                chords: ["C", "G", "Am", "F", "Dm", "E7"],
+                youtube: "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
+                lyrics: `
+[Intro]
+C  G  Am  F
+
+[Verse 1]
+C              G
+Pal pal dil ke paas
+Am             F
+Tum rehti ho
+C              G
+Pal pal dil ke paas
+Am             F
+Tum rehti ho
+
+[Chorus]
+Dm         G
+Tumhari kasam
+C         Am
+Tumhari kasam
+F        G     C
+Tumhari kasam...
 `
             }
         };
 
         // Chord Finder Functionality
         document.getElementById('search-btn').addEventListener('click', function() {
-            const searchTerm = document.getElementById('song-search').value.toLowerCase();
+            const searchTerm = document.getElementById('song-search').value.trim().toLowerCase();
+            
+            if (!searchTerm) {
+                document.getElementById('chat-messages').innerHTML += `
+                    <div class="text-sm text-red-500 mt-2">AI: Please enter a song name or artist to search.</div>
+                `;
+                document.getElementById('chat-messages').scrollTop = chatMessages.scrollHeight;
+                return;
+            }
+
             showLoading(true);
             
             // Simulate API call with timeout
             setTimeout(() => {
-                if (sampleSongs[searchTerm]) {
-                    displaySongResults(sampleSongs[searchTerm]);
-                } else {
-                    // If no exact match, try to find partial matches
-                    const matches = Object.keys(sampleSongs).filter(song => 
-                        song.includes(searchTerm) || sampleSongs[song].artist.toLowerCase().includes(searchTerm)
-                    );
-                    
-                    if (matches.length > 0) {
-                        displaySongResults(sampleSongs[matches[0]]);
+                try {
+                    if (sampleSongs[searchTerm]) {
+                        displaySongResults(sampleSongs[searchTerm]);
                     } else {
-                        document.getElementById('chat-messages').innerHTML += `
-                            <div class="text-sm text-gray-600 mt-2">AI: I couldn't find an exact match for "${searchTerm}". Try being more specific or upload an audio file for analysis.</div>
-                        `;
-                        showLoading(false);
+                        // If no exact match, try to find partial matches
+                        const matches = Object.keys(sampleSongs).filter(song => 
+                            song.includes(searchTerm) || sampleSongs[song].artist.toLowerCase().includes(searchTerm)
+                        );
+                        
+                        if (matches.length > 0) {
+                            displaySongResults(sampleSongs[matches[0]]);
+                            document.getElementById('chat-messages').innerHTML += `
+                                <div class="text-sm text-gray-600 mt-2">AI: Showing results for "${matches[0]}" since we couldn't find an exact match for "${searchTerm}".</div>
+                            `;
+                        } else {
+                            document.getElementById('chat-messages').innerHTML += `
+                                <div class="text-sm text-red-500 mt-2">AI: Couldn't find any matches for "${searchTerm}". Try a different song or upload an audio file.</div>
+                            `;
+                            showLoading(false);
+                        }
                     }
+                } catch (error) {
+                    console.error('Search error:', error);
+                    document.getElementById('chat-messages').innerHTML += `
+                        <div class="text-sm text-red-500 mt-2">AI: Something went wrong. Please try again.</div>
+                    `;
+                    showLoading(false);
                 }
+                document.getElementById('chat-messages').scrollTop = chatMessages.scrollHeight;
             }, 1500);
         });
 
@@ -669,13 +791,18 @@ About you now
         }
 
         function displaySongResults(song) {
-            document.getElementById('song-title').textContent = song.title;
-            document.getElementById('song-artist').textContent = song.artist;
-            document.getElementById('song-year').textContent = song.year;
-            document.getElementById('song-key').textContent = song.key;
-            document.getElementById('song-capo').textContent = song.capo;
-            document.getElementById('song-difficulty').textContent = song.difficulty;
-            document.getElementById('song-tuning').textContent = song.tuning;
+            try {
+                if (!song || !song.title) {
+                    throw new Error('Invalid song data');
+                }
+
+                document.getElementById('song-title').textContent = song.title;
+                document.getElementById('song-artist').textContent = song.artist || 'Unknown artist';
+                document.getElementById('song-year').textContent = song.year || 'Unknown year';
+                document.getElementById('song-key').textContent = song.key || 'Not specified';
+                document.getElementById('song-capo').textContent = song.capo || 'Not needed';
+                document.getElementById('song-difficulty').textContent = song.difficulty || 'Medium';
+                document.getElementById('song-tuning').textContent = song.tuning || 'Standard';
             
             // Display chords
             const chordBank = document.getElementById('chord-bank');
@@ -714,6 +841,16 @@ About you now
                 lyricsElement.appendChild(lineElement);
             });
             
+            // Show YouTube link if available
+            const youtubeLink = document.getElementById('youtube-link');
+            if (song.youtube) {
+                youtubeLink.classList.remove('hidden');
+                const link = youtubeLink.querySelector('a');
+                link.href = song.youtube;
+            } else {
+                youtubeLink.classList.add('hidden');
+            }
+
             // Show AI chat
             document.getElementById('ai-chat').classList.remove('hidden');
             
@@ -991,6 +1128,39 @@ About you now
         });
 
         // Initialize the app
+        // Transpose functionality
+        let currentKey = '';
+        document.getElementById('transpose-up').addEventListener('click', function() {
+            if (currentKey) {
+                const newKey = transposeKey(currentKey, 1);
+                document.getElementById('song-key').textContent = newKey + ' (Transposed +1)';
+                currentKey = newKey;
+            }
+        });
+        
+        document.getElementById('transpose-down').addEventListener('click', function() {
+            if (currentKey) {
+                const newKey = transposeKey(currentKey, -1);
+                document.getElementById('song-key').textContent = newKey + ' (Transposed -1)';
+                currentKey = newKey;
+            }
+        });
+        
+        // Helper function to transpose keys
+        function transposeKey(key, semitones) {
+            const keys = ['C', 'C#', 'D', 'D#', 'E', 'F', 'F#', 'G', 'G#', 'A', 'A#', 'B'];
+            const minorMatch = key.match(/([A-G]#?)(m|minor)/i);
+            const isMinor = minorMatch ? true : false;
+            const baseKey = minorMatch ? minorMatch[1] : key.match(/[A-G]#?/)[0];
+            
+            let index = keys.indexOf(baseKey.toUpperCase());
+            if (index === -1) return key;
+            
+            index = (index + semitones + 12) % 12;
+            const newKey = keys[index] + (isMinor ? 'm' : '');
+            return newKey;
+        }
+
         document.addEventListener('DOMContentLoaded', function() {
             // Show AI chat by default with welcome message
             document.getElementById('ai-chat').classList.remove('hidden');