Returns a list of notes with equal duration following an ascending C major diatonic scale, starting on middle C.
Examples:
abjad> construct.scale(4)
[Note(c', 8), Note(d', 8), Note(e', 8), Note(f', 8)]
abjad> construct.scale(4, (1, 16))
[Note(c', 16), Note(d', 16), Note(e', 16), Note(f', 16)]