public IEnumerable <IEnumerable <Note> > GetProgressionChords(Note root)
{
var n = new Notes();
var scale = n.EnumerateNotes(root, Scale).ToArray();
for (var i = 0; i < ScaleDegrees.Length; i++)
{
var chordRoot = scale[ScaleDegrees[i] - 1];
yield return(n.EnumerateNotes(chordRoot, Chords[i].Pattern));
}
}
public KeyboardOctave(int octaveNumber)
{
var n = new Notes();
OctaveNumber = octaveNumber;
var minNoteNumber = (octaveNumber + 1) * 12;
var notes = n.EnumerateNotes("C", Scales.Chromatic).ToArray();
Keys = Enumerable.Range(minNoteNumber, 12).Select(a =>
{
var not = notes[a - minNoteNumber];
return(new MidiKey(a, not, this));
}).ToArray();
NoteKeyMap = Keys.ToDictionary(a => a.Note);
}
