Scales, chords and keys
music_theoryLook up the notes of any scale or mode, build the diatonic chords of a key, or turn a roman-numeral progression (for example I V vi IV) into chords. Optionally transpose. Cost: 1 credit per call.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| root | No | Key or root note, e.g. C, F#, Bb | C |
| scale | No | major | |
| progression | No | Roman numerals separated by spaces, e.g. 'I V vi IV' or 'ii V I' | |
| transpose_semitones | No |