public D_Note(NoteLevel level, int length, NoteTie note_tie = NoteTie.none, int octave = 1,
NoteAlteration alteration = NoteAlteration.none, bool is_rest = false)
{
this.level = level;
this.length = length;
this.octave = octave;
this.alteration = alteration;
this.is_rest = is_rest;
this.length_modifier = has_length_modifier(length);
this.note_tie = note_tie;
}
static NoteTieType getNoteTie(NoteTie tie)
{
return(note_ties[tie]);
}