Upload a song, get SATB parts
Upload any audio file — a cappella, vocal recording, or even a simple melody. Extract stems, generate harmonizing alto, tenor, and bass parts, and get Do-Re-Mi solfège for learning.
Stem Separation
Extract vocals, drums, bass, and other instruments with Demucs AI. Get clean isolated stems for any audio file.
SATB Harmonization
Generate soprano, alto, tenor, and bass parts from any melody. Rule-based harmonization with proper voice leading.
Solfège & Scores
Get Do-Re-Mi solfège for the melody with movable Do. Export as MIDI, ABC notation, or WAV files.
How It Works
Upload Your Audio
Drag and drop any audio file — MP3, WAV, FLAC, or M4A. We support a cappella, vocal recordings, and full mixes.
Choose Your Mode
Stem Separation (extract instruments), Song Score (melody + solfège), or Full Harmonization (SATB parts).
Download Your Parts
Get individual MIDI and WAV files for each part, plus ABC notation and solfège display for learning.
Simple Credit System
No subscriptions required. Buy credits, use them whenever.
Stem Separation
10
credits per song
Song Score
20
credits per song
Full Harmonization
30
credits per song