def tritone_substitution(chord): chord_notes = chords.from_shorthand(chord) new_note = reduce_accidentals(tritone(chord_notes[0])) new_chord = new_note + '7' new_notes = chords.from_shorthand(new_chord) return new_chord, new_notes
elif args.action == 'tritone_substitution': for chord in args.chords: new_chord, new_notes = tritone_substitution(chord) print("The tritone substitution of {} is {} ({})".format( chord, new_chord, ', '.join(new_notes))) elif args.action == 'reharmonize_v_to_ii_v': for chord in args.chords: ii_chord_type_short, chord = reharmonize_v_to_ii_v(chord) print("II-V ({}, {})".format(ii_chord_type_short, chord)) elif args.action == 'ii_v_tritone_substitution': for chord in args.chords: chord_notes = chords.from_shorthand(chord) new_note = reduce_accidentals(tritone(chord_notes[0])) new_chord = new_note + '7' ii_chord_type_short, chord = reharmonize_v_to_ii_v(new_chord) print("{} {}".format(ii_chord_type_short, new_chord)) elif args.action == 'chord_modes': chords = [ chords.determine_seventh(mode_func(args.key), shorthand=True)[0] for mode_func in MODE_CHORD_FUNCTIONS ] print(', '.join(chords)) elif args.action == '12_bar_blues': for four_bars in twelve_bar_blues(args.key): print('\t'.join(four_bars))
determine_key_and_function(chord) elif args.action == 'tritone_substitution': for chord in args.chords: new_chord, new_notes = tritone_substitution(chord) print("The tritone substitution of {} is {} ({})".format(chord, new_chord, ', '.join(new_notes))) elif args.action == 'reharmonize_v_to_ii_v': for chord in args.chords: ii_chord_type_short, chord = reharmonize_v_to_ii_v(chord) print("II-V ({}, {})".format(ii_chord_type_short, chord)) elif args.action == 'ii_v_tritone_substitution': for chord in args.chords: chord_notes = chords.from_shorthand(chord) new_note = reduce_accidentals(tritone(chord_notes[0])) new_chord = new_note + '7' ii_chord_type_short, chord = reharmonize_v_to_ii_v(new_chord) print("{} {}".format(ii_chord_type_short, new_chord)) elif args.action == 'chord_modes': chords = [chords.determine_seventh(mode_func(args.key), shorthand=True)[0] for mode_func in MODE_CHORD_FUNCTIONS] print(', '.join(chords)) elif args.action == '12_bar_blues': for four_bars in twelve_bar_blues(args.key): print('\t'.join(four_bars)) elif args.action == 'blues_scale':