Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:D
['FDF ABc dfd', 'e fed']  
X:1
L:1/8
M:6/8
K:D
 AG | FDF ABc | dfd AGF | GBG EFG | FDF GFE | FDF ABc | dfd cde | faf ged | edc d3 :| e | fed gfe | 
 fed cAF | GBG FGA | BGE E3 | f2 d g2 e | fed cde | faf gec | edc d2 e | fed gfe | fed cAF | 
 GBG FGA | BGE EFG | FDF ABc | dfd cde | faf gec | edc d3 ||  