Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
['d3 BdB', 'gfg dcB', 'e dBG G2']  
X:1
L:1/8
Q:1/8=180
M:6/8
K:G
|: e | d3 BdB | G2 A B2 c | d3 BdB | cAB c2 e | d3 BdB | G2 A B2 d | gfe dcB | A2 B c2 :: d | 
 gfg dcB | ege dcB | gfg dcB | A2 B c2 f | gfg abc' | bag gfe | gfe dcB | A2 B c2 :: e | dBG G2 e | 
 dBG G2 e | dBG G2 B | A2 B c2 e | dBG G2 e | dBG G2 d | gfe dcB | A2 B c2 :|  