Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:4/4
K:A
['', 'BAcB AFEc', 'cAAB AEFD D2 Bc c/c/B cA BFAE']  
X:1
L:1/8
M:4/4
K:A
 cB |: ABce f2 ec | BAcB AFEc | c/c/B cA BFAE | FAEF AdcB | ABce (ef)ec | BAcB AFEc | 
 c/c/Bce feaf | gaef cAAB :: AEFD D2 Bc | c/c/B cA BFAE | FABc efae | f/g/a ef cAAB | AEFA dcdf | 
 e/f/g ae cAAe | faef ceBe |1 fecA cBBc :|2 fecA ABBc ||  