Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:6/8
K:G
['GFG GBd edB', 'def gfg afd']  
X:1
L:1/8
M:6/8
K:G
|: D | GFG GBd | edB dBA | GFG GBd | edB AFD | GFG GBd | edB gfg | edB AGA | BGG G2 :: B | 
 def gfg | afd efB | def gfg | afd e2 d |1 def gfg | afd efg | edB AGA | BGG G2 B :|2 def gbb | 
 faa efg | edB AGA | BGG G2 ||  