Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:3/8=110
M:6/8
K:G
['D GAG GAB ded dBG BAB AFD', 'def g2 e']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:G
 D | GAG GAB | ded dBG | BAB AFD | EFE E2 D | GAG GAB | ded dBG | BAB AFD | E3 | G2 :: e | 
 def g2 e | fed edc | def g2 e | afd e2 f | def g2 e | f2 d efg | dBG GAB | ded dBG | BAB AFD | 
 EFE E2 D | GAG GAB | ded dBG | BAB AFD | E3 G2 :|  