New in version 1.1.
Change chromatic_pitch_number and diatonic_pitch_class_name to alphabetic accidental abbreviation / octave number pair:
abjad> pitchtools.chromatic_pitch_number_diatonic_pitch_class_name_to_alphabetic_accidental_abbreviation_octave_number_pair(14, 'c')
('ss', 5)
Return pair.
Changed in version 2.0: renamed pitchtools.number_letter_to_accidental_octave() to pitchtools.chromatic_pitch_number_diatonic_pitch_class_name_to_alphabetic_accidental_abbreviation_octave_number_pair().