Music.CtrlMusic control.
type t = [ | `Tempo of Q.t | (* Interpret with tempo multiplier. *) |
| `Transp of Pitch.rel | (* Interpret transposed. *) |
| `Instrument of Instrument.t | (* Interpet with instrument. *) |
| `Phrase of Phrase.t | (* Interpret with phrasing. *) |
| `Player of string | (* Not implemented *) |
| `Key_sig of Pitch.Class.t * Mode.t | (* Not implemented *) |
]The type for music control.