Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:Gdor
['c dBG', 'AGF vG2 vA uB2 uc dBG uG2']  
X:1
L:1/8
M:6/8
K:Gdor
|: vGFD uB2 c | dBG GFD | uG2 vA uB2 uc | dBG uG2 uB | GFD B2 c | dBG AGA | FAc fed |1 cAF FGA :|2 
 cAF F2 c |: dfd cdc | BdB AGF | vG2 vA uB2 uc | dBG uG2 uc | dfd cfc | BdB AGA | FAc fed | 
 cAF FAc :|  