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mroctopus / api /static /midi /transcription_chords.json
Ewan
Sample-based guitar/bass sounds, filter bass from piano roll, two guitar tabs
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{
 "version": 1,
 "description": "Chord detection output from Mr. Octopus piano tutorial pipeline",
 "chord_count": 347,
 "chords": [
 {
 "start_time": 0.0227,
 "end_time": 0.2545,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 64,
 67,
 72,
 84
 ]
 },
 {
 "start_time": 0.3023,
 "end_time": 0.5114,
 "chord_name": "E",
 "root_note": "E",
 "quality": "note",
 "notes": [
 "E"
 ],
 "midi_pitches": [
 63,
 64
 ]
 },
 {
 "start_time": 0.5818,
 "end_time": 0.8364,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 48,
 60,
 67,
 72
 ]
 },
 {
 "start_time": 0.6977,
 "end_time": 0.8136,
 "chord_name": "Eb",
 "root_note": "Eb",
 "quality": "note",
 "notes": [
 "Eb"
 ],
 "midi_pitches": [
 63
 ]
 },
 {
 "start_time": 0.8136,
 "end_time": 4.1568,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 48,
 60,
 63,
 64,
 67,
 84
 ]
 },
 {
 "start_time": 2.2068,
 "end_time": 3.7386,
 "chord_name": "G",
 "root_note": "G",
 "quality": "note",
 "notes": [
 "G"
 ],
 "midi_pitches": [
 43,
 55,
 67
 ]
 },
 {
 "start_time": 2.5091,
 "end_time": 3.0545,
 "chord_name": "Bm",
 "root_note": "B",
 "quality": "minor",
 "notes": [
 "B",
 "D",
 "F#"
 ],
 "midi_pitches": [
 59,
 62
 ]
 },
 {
 "start_time": 2.7636,
 "end_time": 2.9955,
 "chord_name": "G",
 "root_note": "G",
 "quality": "note",
 "notes": [
 "G"
 ],
 "midi_pitches": [
 67
 ]
 },
 {
 "start_time": 2.9955,
 "end_time": 3.775,
 "chord_name": "Bm",
 "root_note": "B",
 "quality": "minor",
 "notes": [
 "B",
 "D",
 "F#"
 ],
 "midi_pitches": [
 59,
 62
 ]
 },
 {
 "start_time": 3.3205,
 "end_time": 3.8091,
 "chord_name": "B",
 "root_note": "B",
 "quality": "note",
 "notes": [
 "B"
 ],
 "midi_pitches": [
 59
 ]
 },
 {
 "start_time": 3.7864,
 "end_time": 4.8545,
 "chord_name": "Dbm7b5",
 "root_note": "Db",
 "quality": "half-dim 7",
 "notes": [
 "B",
 "Db",
 "E",
 "G"
 ],
 "midi_pitches": [
 43,
 55,
 59,
 61
 ]
 },
 {
 "start_time": 4.3205,
 "end_time": 6.1318,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 52,
 55,
 60,
 63,
 64
 ]
 },
 {
 "start_time": 5.3886,
 "end_time": 5.875,
 "chord_name": "F",
 "root_note": "F",
 "quality": "note",
 "notes": [
 "F"
 ],
 "midi_pitches": [
 53
 ]
 },
 {
 "start_time": 5.9455,
 "end_time": 6.2,
 "chord_name": "Csus4",
 "root_note": "C",
 "quality": "sus4",
 "notes": [
 "C",
 "F",
 "G"
 ],
 "midi_pitches": [
 48,
 53,
 60
 ]
 },
 {
 "start_time": 6.2,
 "end_time": 8.8705,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 52,
 60,
 63,
 64
 ]
 },
 {
 "start_time": 6.7341,
 "end_time": 8.2205,
 "chord_name": "Eaug",
 "root_note": "E",
 "quality": "augmented",
 "notes": [
 "Ab",
 "C",
 "E"
 ],
 "midi_pitches": [
 52,
 60,
 63,
 64
 ]
 },
 {
 "start_time": 6.9659,
 "end_time": 9.2182,
 "chord_name": "A",
 "root_note": "A",
 "quality": "major",
 "notes": [
 "A",
 "Db",
 "E"
 ],
 "midi_pitches": [
 45,
 69,
 85
 ]
 },
 {
 "start_time": 7.2455,
 "end_time": 9.475,
 "chord_name": "Bb",
 "root_note": "Bb",
 "quality": "note",
 "notes": [
 "Bb"
 ],
 "midi_pitches": [
 46
 ]
 },
 {
 "start_time": 7.5,
 "end_time": 8.2659,
 "chord_name": "B",
 "root_note": "B",
 "quality": "major",
 "notes": [
 "B",
 "Eb",
 "F#"
 ],
 "midi_pitches": [
 47,
 66
 ]
 },
 {
 "start_time": 7.7318,
 "end_time": 8.2659,
 "chord_name": "Dsus4",
 "root_note": "D",
 "quality": "sus4",
 "notes": [
 "A",
 "D",
 "G"
 ],
 "midi_pitches": [
 62,
 67
 ]
 },
 {
 "start_time": 8.2659,
 "end_time": 9.9727,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 60,
 64,
 67
 ]
 },
 {
 "start_time": 9.8932,
 "end_time": 12.1205,
 "chord_name": "C6",
 "root_note": "C",
 "quality": "6",
 "notes": [
 "A",
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 55,
 60,
 64,
 69
 ]
 },
 {
 "start_time": 10.1705,
 "end_time": 16.3705,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 43,
 48,
 55,
 60,
 64,
 66,
 67
 ]
 },
 {
 "start_time": 14.2568,
 "end_time": 14.5136,
 "chord_name": "Am(maj7)",
 "root_note": "A",
 "quality": "min/maj 7",
 "notes": [
 "A",
 "Ab",
 "C",
 "E"
 ],
 "midi_pitches": [
 60,
 68,
 69,
 81
 ]
 },
 {
 "start_time": 14.5136,
 "end_time": 14.7795,
 "chord_name": "Gsus4",
 "root_note": "G",
 "quality": "sus4",
 "notes": [
 "C",
 "D",
 "G"
 ],
 "midi_pitches": [
 55,
 60,
 67
 ]
 },
 {
 "start_time": 14.7909,
 "end_time": 15.8614,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 55,
 60,
 64,
 66,
 67
 ]
 },
 {
 "start_time": 15.8591,
 "end_time": 16.1136,
 "chord_name": "Em",
 "root_note": "E",
 "quality": "minor",
 "notes": [
 "B",
 "E",
 "G"
 ],
 "midi_pitches": [
 55,
 64,
 67
 ]
 },
 {
 "start_time": 16.0932,
 "end_time": 16.3932,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 48,
 55,
 64,
 66
 ]
 },
 {
 "start_time": 16.3932,
 "end_time": 17.3159,
 "chord_name": "C6",
 "root_note": "C",
 "quality": "6",
 "notes": [
 "A",
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
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 40,
 48,
 55,
 60,
 64,
 81,
 84
 ]
 },
 {
 "start_time": 16.625,
 "end_time": 18.8091,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 48,
 60,
 64,
 67
 ]
 },
 {
 "start_time": 16.9045,
 "end_time": 19.0409,
 "chord_name": "F#",
 "root_note": "F#",
 "quality": "major",
 "notes": [
 "Bb",
 "Db",
 "F#"
 ],
 "midi_pitches": [
 36,
 42,
 61
 ]
 },
 {
 "start_time": 17.1841,
 "end_time": 19.0182,
 "chord_name": "G",
 "root_note": "G",
 "quality": "major",
 "notes": [
 "B",
 "D",
 "G"
 ],
 "midi_pitches": [
 43,
 50,
 62,
 67,
 71,
 83
 ]
 },
 {
 "start_time": 18.5295,
 "end_time": 18.8091,
 "chord_name": "D",
 "root_note": "D",
 "quality": "note",
 "notes": [
 "D"
 ],
 "midi_pitches": [
 50,
 62
 ]
 },
 {
 "start_time": 18.8091,
 "end_time": 19.3205,
 "chord_name": "Gmaj7",
 "root_note": "G",
 "quality": "major 7",
 "notes": [
 "B",
 "D",
 "F#",
 "G"
 ],
 "midi_pitches": [
 50,
 62,
 66,
 67
 ]
 },
 {
 "start_time": 19.0636,
 "end_time": 20.3182,
 "chord_name": "G",
 "root_note": "G",
 "quality": "note",
 "notes": [
 "G"
 ],
 "midi_pitches": [
 43,
 55,
 67
 ]
 },
 {
 "start_time": 19.1477,
 "end_time": 19.8068,
 "chord_name": "B",
 "root_note": "B",
 "quality": "note",
 "notes": [
 "B"
 ],
 "midi_pitches": [
 71
 ]
 },
 {
 "start_time": 19.3659,
 "end_time": 19.8068,
 "chord_name": "Dsus4",
 "root_note": "D",
 "quality": "sus4",
 "notes": [
 "A",
 "D",
 "G"
 ],
 "midi_pitches": [
 50,
 55
 ]
 },
 {
 "start_time": 19.6205,
 "end_time": 19.8545,
 "chord_name": "D",
 "root_note": "D",
 "quality": "note",
 "notes": [
 "D"
 ],
 "midi_pitches": [
 50,
 61,
 62
 ]
 },
 {
 "start_time": 19.8545,
 "end_time": 22.2682,
 "chord_name": "G",
 "root_note": "G",
 "quality": "major",
 "notes": [
 "B",
 "D",
 "G"
 ],
 "midi_pitches": [
 31,
 50,
 55,
 67,
 70,
 71,
 74
 ]
 },
 {
 "start_time": 20.3886,
 "end_time": 20.6886,
 "chord_name": "Gm",
 "root_note": "G",
 "quality": "minor",
 "notes": [
 "Bb",
 "D",
 "G"
 ],
 "midi_pitches": [
 43,
 62,
 70,
 74,
 83
 ]
 },
 {
 "start_time": 20.8977,
 "end_time": 21.9909,
 "chord_name": "Amadd9",
 "root_note": "A",
 "quality": "minor add9",
 "notes": [
 "A",
 "B",
 "C",
 "E"
 ],
 "midi_pitches": [
 45,
 48,
 60,
 71,
 83
 ]
 },
 {
 "start_time": 21.2,
 "end_time": 23.3841,
 "chord_name": "D",
 "root_note": "D",
 "quality": "major",
 "notes": [
 "A",
 "D",
 "F#"
 ],
 "midi_pitches": [
 50,
 69
 ]
 },
 {
 "start_time": 21.4795,
 "end_time": 23.2523,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 48,
 55,
 60,
 64,
 66,
 67,
 72,
 84
 ]
 },
 {
 "start_time": 23.3136,
 "end_time": 23.5,
 "chord_name": "D7",
 "root_note": "D",
 "quality": "dominant 7",
 "notes": [
 "A",
 "C",
 "D",
 "F#"
 ],
 "midi_pitches": [
 48,
 62,
 68,
 69,
 70
 ]
 },
 {
 "start_time": 23.6159,
 "end_time": 23.7773,
 "chord_name": "F#",
 "root_note": "F#",
 "quality": "note",
 "notes": [
 "F#"
 ],
 "midi_pitches": [
 66
 ]
 },
 {
 "start_time": 23.8705,
 "end_time": 26.1705,
 "chord_name": "C",
 "root_note": "C",
 "quality": "note",
 "notes": [
 "C"
 ],
 "midi_pitches": [
 36,
 48,
 60,
 64,
 66,
 67,
 84
 ]
 },
 {
 "start_time": 24.8932,
 "end_time": 25.6818,
 "chord_name": "Dsus2",
 "root_note": "D",
 "quality": "sus2",
 "notes": [
 "A",
 "D",
 "E"
 ],
 "midi_pitches": [
 38,
 50,
 64
 ]
 },
 {
 "start_time": 25.1705,
 "end_time": 27.2386,
 "chord_name": "Cdim",
 "root_note": "C",
 "quality": "diminished",
 "notes": [
 "C",
 "Eb",
 "F#"
 ],
 "midi_pitches": [
 39,
 48,
 60,
 66
 ]
 },
 {
 "start_time": 25.4273,
 "end_time": 27.6318,
 "chord_name": "Esus4",
 "root_note": "E",
 "quality": "sus4",
 "notes": [
 "A",
 "B",
 "E"
 ],
 "midi_pitches": [
 40,
 81
 ]
 },
 {
 "start_time": 25.6818,
 "end_time": 27.5864,
 "chord_name": "F",
 "root_note": "F",
 "quality": "major",
 "notes": [
 "A",
 "C",
 "F"
 ],
 "midi_pitches": [
 41,
 53,
 60,
 65,
 69,
 72,
 84
 ]
 },
 {
 "start_time": 27.4705,
 "end_time": 27.6795,
 "chord_name": "E",
 "root_note": "E",
 "quality": "note",
 "notes": [
 "E"
 ],
 "midi_pitches": [
 64
 ]
 },
 {
 "start_time": 27.5864,
 "end_time": 29.9068,
 "chord_name": "F",
 "root_note": "F",
 "quality": "major",
 "notes": [
 "A",
 "C",
 "F"
 ],
 "midi_pitches": [
 41,
 53,
 57,
 60,
 65,
 69,
 72,
 84
 ]
 },
 {
 "start_time": 28.0977,
 "end_time": 28.5841,
 "chord_name": "Csus4",
 "root_note": "C",
 "quality": "sus4",
 "notes": [
 "C",
 "F",
 "G"
 ],
 "midi_pitches": [
 48,
 53,
 65,
 67
 ]
 },
 {
 "start_time": 28.3523,
 "end_time": 29.3045,
 "chord_name": "F",
 "root_note": "F",
 "quality": "major",
 "notes": [
 "A",
 "C",
 "F"
 ],
 "midi_pitches": [
 48,
 57,
 60,
 65
 ]
 },
 {
 "start_time": 28.5841,
 "end_time": 30.975,
 "chord_name": "Emadd9",
 "root_note": "E",
 "quality": "minor add9",
 "notes": [
 "B",
 "E",
 "F#",
 "G"
 ],
 "midi_pitches": [
 40,
 66,
 67
 ]
 },
 {
 "start_time": 28.8409,
 "end_time": 29.1182,
 "chord_name": "Baug",
 "root_note": "B",
 "quality": "augmented",
 "notes": [
 "B",
 "Eb",
 "G"
 ],
 "midi_pitches": [
 59,
 67
 ]
 },
 {
 "start_time": 29.1182,
 "end_time": 29.8614,
 "chord_name": "Gsus2",
 "root_note": "G",
 "quality": "sus2",
 "notes": [
 "A",
 "D",
 "G"
 ],
 "midi_pitches": [
 55,
 57,
 66,
 67
 ]
 },
 {
 "start_time": 29.35,
 "end_time": 31.2091,
 "chord_name": "Dmadd9",
 "root_note": "D",
 "quality": "minor add9",
 "notes": [
 "A",
 "D",
 "E",
 "F"
 ],
 "midi_pitches": [
 38,
 64,
 65,
 69
 ]
 },
 {
 "start_time": 29.6295,
 "end_time": 31.7886,
 "chord_name": "F",
 "root_note": "F",
 "quality": "note",
 "notes": [
 "F"
 ],
 "midi_pitches": [
 53,
 65
 ]
 },
 {
 "start_time": 29.9068,
 "end_time": 31.9977,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 60,
 64,
 67
 ]
 },
 {
 "start_time": 30.4409,
 "end_time": 30.975,
 "chord_name": "Gsus4",
 "root_note": "G",
 "quality": "sus4",
 "notes": [
 "C",
 "D",
 "G"
 ],
 "midi_pitches": [
 43,
 55,
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 66,
 67
 ]
 },
 {
 "start_time": 30.975,
 "end_time": 31.4386,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 43,
 52,
 60,
 66,
 67
 ]
 },
 {
 "start_time": 31.2545,
 "end_time": 32.2295,
 "chord_name": "Am7",
 "root_note": "A",
 "quality": "minor 7",
 "notes": [
 "A",
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 52,
 60,
 67,
 68,
 69
 ]
 },
 {
 "start_time": 31.3477,
 "end_time": 31.5341,
 "chord_name": "A",
 "root_note": "A",
 "quality": "note",
 "notes": [
 "A"
 ],
 "midi_pitches": [
 81
 ]
 },
 {
 "start_time": 31.5091,
 "end_time": 31.9977,
 "chord_name": "Gsus4",
 "root_note": "G",
 "quality": "sus4",
 "notes": [
 "C",
 "D",
 "G"
 ],
 "midi_pitches": [
 55,
 60,
 67
 ]
 },
 {
 "start_time": 31.7659,
 "end_time": 34.4364,
 "chord_name": "C",
 "root_note": "C",
 "quality": "major",
 "notes": [
 "C",
 "E",
 "G"
 ],
 "midi_pitches": [
 36,
 48,
 55,
 64
 ]
 },
 {
 "start_time": 32.2773,
 "end_time": 33.8318,
 "chord_name": "Am",
 "root_note": "A",
 "quality": "minor",
 "notes": [
 "A",
 "C",
 "E"
 ],
 "midi_pitches": [
 48,
 50,
 60,
 64,
 69,
 84
 ]
 },
 {
 "start_time": 32.3682,
 "end_time": 32.5545,
 "chord_name": "Eb",
 "root_note": "Eb",
 "quality": "note",
 "notes": [
 "Eb"
 ],
 "midi_pitches": [
 63
 ]
 },
 {
 "start_time": 32.5545,
 "end_time": 32.8114,
 "chord_name": "Abm",
 "root_note": "Ab",
 "quality": "minor",
 "notes": [
 "Ab",
 "B",
 "Eb"
 ],
 "midi_pitches": [
 51,
 59,
 62,
 68
 ]
 },
 {
 "start_time": 32.8114,
 "end_time": 33.6,
 "chord_name": "Gm",
 "root_note": "G",
 "quality": "minor",
 "notes": [
 "Bb",
 "D",
 "G"
 ],
 "midi_pitches": [
 58,
 67,
 70
 ]
 },
 {
 "start_time": 33.0886,
 "end_time": 33.3205,
 "chord_name": "Emaj7",
 "root_note": "E",
 "quality": "major 7",
 "notes": [
 "Ab",
 "B",
 "E",
 "Eb"
 ],
 "midi_pitches": [
 52,
 63
 ]
 },
 {
 "start_time": 33.3205,
 "end_time": 34.7841,
 "chord_name": "C",
 "root_note": "C",
 "quality": "note",
 "notes": [
 "C"
 ],
 "midi_pitches": [
 48,
 60,
 72,
 84,
 91
 ]
 },
 {
 "start_time": 33.8318,
 "end_time": 34.25,
 "chord_name": "F",
 "root_note": "F",
 "quality": "major",
 "notes": [
 "A",
 "C",
 "F"
 ],
 "midi_pitches": [
 53,
 60,
 65
 ]
 },
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