Any song, decomposed.
Stems. MIDI. Score.
13
ML-ISOLATED STEMS
BPM
BEAT-ACCURATE
MIDI
PIANO-ROLL
DAW
READY EXPORT
// THE TOOLKIT
Built for producers who break songs apart for a living.
Demucs ML Stem Separation
Real source separation via Meta's htdemucs — the same model class behind Logic Pro's Stem Splitter. Clean drums, bass, vocals, and instruments.
Real BPM, Key & Chord Detection
Librosa-powered beat tracking, Krumhansl-Schmuckler key estimation, beat-synchronous chord recognition.
Audio → MIDI Conversion
Convert any compatible stem to MIDI with a piano-roll editor. Drums use GM mapping; melodics use pitch tracking.
Full Orchestration View
Every instrument on its own lane with chord names, sections, bar grid and beat markers.
Jazz Lead Sheet & Score
Engraved music notation + Real-Book style chord chart + ABC / MusicXML export for MuseScore & Sibelius.
Studio-Grade Exports
44.1 kHz WAV stems, MIDI files, instrumental & acapella mixdowns, ZIP, PDF report, chord/tempo charts.
// REAL ML STEMS · NO FILLERS
Kick. Snare. Bass. Vocals. Each one truly isolated — not a band-pass mask.
Kick · Snare · Toms · Cymbals
Vocals
Piano
Guitar
Bass · Other
// 5 SONGS FREE · NO CARD NEEDED
Drop a file. Get the whole arrangement.
MP3, WAV, AIFF, M4A, FLAC, AAC, OGG, MP4, MOV — feed it whatever. Up to 8 minutes per song.
NO CARD FOR STARTER STEMS · MIDI · SCORE · PDF CANCEL ANYTIME