Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/4=32
M:3/8
K:Dmin
['cAc fgf']  
X:1
L:1/8
Q:1/4=32
M:3/8
K:Dmin
 A | cAc | fgf | efe | ded | cAc | fgf | eA^c |[M:3/4] d3 E2 | F2 D2 E2 | F2 G2 A2 | A2 d2 e2 | 
 f2 e2 d2 | c2 A2 G2 | A2 G2 F2 | G2 F2 E2 | D4 |]  