piano-roll-function.kt

@Composable
fun PianoRoll(from: PianoKey, to: PianoKey) {
    val startsAtF = from.note >= F
    Row {
        for (octave in from.octave..to.octave) {
            PianoRollOctave(startsAtF, true, octave)
        }
    }
}