Spell an arbitrary list of pitch classes relative to a key.
The pitch classes.
The spelled tonic, as a note name, a MIDI number, note data, or a Note.
Note
The key/scale, as a key name, a key/scale, or a Key.
Key
Spelled notes, in input order.
If tonic does not sound the key's root pitch class.
tonic
Spell an arbitrary list of pitch classes relative to a key.