lamm-mit music-corpus
Downloads and parses a small open MIDI corpus using music21's built-in corpus (Bach chorales and other included works). Returns structured JSON with piece metadata, chord sequences, and note sequences for downstream harmonic and motif analysis.
Usage
python3 skills/music-corpus/scripts/music_corpus.py --query "bach" --max-pieces 10
python3 skills/music-corpus/scripts/music_corpus.py --query "folk" --max-pieces 5 --format json
Output
{
"query": "bach",
"pieces": [
{
"title": "Chorale BWV 253",
"composer": "Bach",
"key": "G major",
"tempo": 100,
"time_signature": "4/4",
"chord_sequence": ["G", "D", "Em", "C"],
"note_sequence": [67, 69, 71, 72],
"duration_beats": 32,
"n_measures": 8
}
],
"total_pieces": 10,
"total_notes": 4821
}
Dependencies
- music21 (pip install music21)