Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:G
['g dBG AGE GED DEG A/B/cB A^GA', 'B2 d']  
X:1
L:1/8
M:6/8
K:G
|: g | dBG AGE | GED DEG | A/B/cB A^GA | BAA A2 g/e/ | dBG A2 G | GED D2 G | AcB A^GA | BGG G2 :: 
 c | Bdd cee | Bdg dBG | B/c/dg dge | dBG A^GA | B2 d c2 e | B2 d dBG | Ac/B/A AA/A/A | BGF G2 :|  