Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/4
Q:1/2=100
M:4/4
K:D
['e f', 'e f']  
X:1
L:1/4
Q:1/2=100
M:4/4
K:D
 f f f2 | e f d c/d/ | e e e f | e2 d2 :: B c d2 | e f d c/d/ | e e e f | e2 d2 :|  