Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:2/4
K:C
['Ad B>c de']  
X:1
L:1/8
M:2/4
K:C
 AA Ad | B>c de | c>d eg | fd e2 | dA Ad | Bc de | c>d eg | fd e2 | eA Ad | B>c de | c>A d2 | 
 cB A2 | AA Ad | B>c de | c>A Bd | cB A2 ||  