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
['DGG GAB cgc B3 cBc Adc', 'BGG G2']  
X:1
L:1/8
M:6/8
K:G
|: DGG GAB | cgc B3 | cBc Adc | BGG AGE | DGG GAB | cgc B3 | cBc Adc |1 BGG G2 E :|2 BGG G2 B |: 
 cec BdB | ABA AGE | DGG GAB | cgc B3 | cac BgB | AGA def | gfg Adc |1 BGG G2 B :|2 BGG G2 E ||  