def dominant_thirteenth(note): """Build a dominant thirteenth chord on note. Example: >>> dominant_thirteenth('C') ['C', 'E', 'G', 'Bb', 'D', 'A'] """ return dominant_ninth(note) + [intervals.major_sixth(note)]
def major_thirteenth(note): """Build a major thirteenth chord on note. Example: >>> major_thirteenth('C') ['C', 'E', 'G', 'B', 'D', 'A'] """ return major_ninth(note) + [intervals.major_sixth(note)]
def major_sixth(note): """Build a major sixth chord on note. Example: >>> major_sixth('C') ['C', 'E', 'G', 'A'] """ return major_triad(note) + [intervals.major_sixth(note)]