ChordQuality:
| "maj"
| "min"
| "dim"
| "aug"
| "maj7"
| "min7"
| "dom7"
| "dim7"
| "m7b5"
| "minMaj7"
| "minMaj9"
| "minMaj11"
| "minMaj13"
| "aug7"
| "augMaj7"
| "majb5"
| "6"
| "min6"
| "6/9"
| "sus2"
| "sus4"
| "add9"
| "add11"
| "maj9"
| "min9"
| "dom9"
| "7b9"
| "7#9"
| "7#11"
| "7b13"
| "11"
| "13"
| "5"
| "7sus4"
| "7b5"
| "7alt"
| "13b9"
| "maj13"
| "maj7#11"
| "min11"
| "min13"
| "minAdd9"
| "min6/9"
Chord quality identifiers understood by the chord builder.
Each name is an alias for one ChordSpec. The union is closed, so it names the chords a chart writes most often rather than every chord that can be written; build the rest from a spec.