Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/4
M:4/4
K:D
['e f', 'e f']  
X:1
L:1/4
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 :|  