| Section | Notes | Specification |
|---|---|---|
| Melody | 22 keys | 2 ranks violin, 1 rank each flute, clarinet + glockenspiel |
| Accompaniment | 11 keys | 2 ranks stopped/open flutes |
| Bass | 8 keys | 3 ranks stopped/open flutes |
| Percussion | 3 keys | bass drum & cymbal + snare drum |
| Registers | 7 keys | Violin, flute, clarinet, glockenspiel, cancel + 2 spare |
| Mute | 1 key | Silences entire organ (actuates on opening keyframe) |