pitchClassToString function
Implementation
String pitchClassToString(int pitch, {bool flat: false, bool sharp: false}) {
final int pitchClass = pitchToPitchClass(pitch);
final String flatName = flatNoteNames[pitchClass];
final String sharpName = sharpNoteNames[pitchClass];
String name = sharp ? sharpName : flatName;
if (flat && sharp && flatName != sharpName) name = "$flatName/\n$sharpName";
return name;
}