Form harmonies using the specified musical structure and the supplied motif.
X:1
L:1/8
M:4/4
K:A
['a2 ec defg', 'cBcA d2 dB efec'  
X:1
L:1/8
M:4/4
K:A
 g | a2 ec defg | afec dBBg | a2 ec defg | afec BAAg | a2 ec defg | afec dBBg | a2 ec defg | 
 afec BAA :: B | cBcA d2 dB | efec dBBd | c2 cA defg | afec BAAB | cBcA d2 dB | efec dBBc | 
 Aceg agaf | edcB cAA :|  