True if all pitch-classes in pcs appear in octave-relative order in pitches.
abjad> pcs = [2, 7, 10]
abjad> pitches = [6, 9, 12, 13, 14, 19, 22, 27, 28, 29, 32, 35]
abjad> pitchtools.are_in_octave_order(pcs, pitches)
True
Todo
extend pitchtools.are_in_octave_order( ) to work on Abjad Pitch instances.