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
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':
