2,256 chord recordings by Petrus: every chord type in the v4 chord pack on all 12 roots (188 per root). Each clip is one strike at 110 BPM, held for a bar, then a bar of natural release, as lossless FLAC (24-bit, 48 kHz). Every clip has a .nc.json manifest with its root, quality, voicing, exact notes, bass note and register, and is listed in /netcomposer.json (collection full-chord-set-v4).
| main chords, six positions | major (C) | 6 |
| main chords, six positions | minor (Cm) | 6 |
| main chords, six positions | dominant 7th (C7) | 6 |
| main chords, six positions | minor 7th (Cm7) | 6 |
| main chords, six positions | major 7th (Cmaj7) | 6 |
| main chords, six positions | diminished (Cdim) | 6 |
| main chords, six positions | diminished 7th (Cdim7) | 6 |
| main chords, six positions | augmented (Caug) | 6 |
| main chords, six positions | minor 6th (Cm6) | 6 |
| main chords, shell and drop-2 voicings | dominant 7th (C7) | 6 |
| main chords, shell and drop-2 voicings | minor 7th (Cm7) | 6 |
| main chords, shell and drop-2 voicings | major 7th (Cmaj7) | 6 |
| half-diminished | half-diminished (m7♭5) (Cm7b5) | 4 |
| ninths | dominant 9th (C9) | 5 |
| ninths | minor 9th (Cm9) | 5 |
| ninths | major 9th (Cmaj9) | 5 |
| thirteenths | dominant 13th (C13) | 5 |
| thirteenths | minor 13th (Cm13) | 5 |
| thirteenths | major 13th (Cmaj13) | 4 |
| altered dominants | 7♯11 (C7#11) | 4 |
| altered dominants | 7♯9 (C7#9) | 5 |
| altered dominants | 7 altered (C7alt) | 5 |
| altered dominants | 7♭13 (C7b13) | 4 |
| altered dominants | 7♭5 (C7b5) | 4 |
| altered dominants | 7♭9 (C7b9) | 5 |
| suspended | 7sus4 (C7sus4) | 4 |
| suspended | 9sus4 (C9sus4) | 5 |
| suspended | sus2 (Csus2) | 3 |
| suspended | sus4 (Csus4) | 3 |
| sixths | 6/9 (C6-9) | 5 |
| sixths | major 6th (C6) | 4 |
| sixths | minor 6/9 (Cm6-9) | 4 |
| add chords | add9 (Cadd9) | 4 |
| add chords | minor add9 (Cm-add9) | 4 |
| other colours | minor-major 7th (Cm-maj7) | 4 |
| other colours | major 7♯11 (Cmaj7#11) | 4 |
| other colours | major 7♯5 (Cmaj7#5) | 4 |
| elevenths | minor 11th (Cm11) | 5 |
| quartal | minor 11th (Cm11) | 3 |