Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/8=160
M:6/8
K:Emin
['d/c/ BEE dEE BAG FEF DED FDF', 'E2 B efe edB e/f/ge fdB ded']  
X:1
L:1/8
Q:1/8=160
M:6/8
K:Emin
 d/c/ | BEE dEE | BAG FEF | DED FDF | AB^c ded | BEE BAB | def gfe | fdB AdF | FEE E2 :| B | 
 efe edB | e/f/ge fdB | ded dAF | DFA def | edB def | gba gfe | fdB AdF | FEE E2 :|  