Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:G
['', 'C DGG GFG Add d2 e |1', 'gdg gdg']  
X:1
L:1/8
M:6/8
K:G
 C |: DGG GFG | Add d2 e |1 fef ded | cAG F2 :|2 fed cAG | G3 G2 || f | gdg gdg | gdg a2 g | 
 fef ded | cAG F2 f | gdg gdg | gdg a2 g | fed cAF | G3 G2 f | gdg gdg | gab a2 g | fef ded | 
 cAG F2 A | B3 BAG | ABc d2 e | fed cAF | G3 G3 ||  