Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:6/8
K:G
['', '', 'dBG Gge', 'Bdd Add |1 gag f2 d :|2', '', 'gdB G>AG']  
X:1
L:1/8
M:6/8
K:G
"^A" |: (B/c/) |: dBG Gge | dBG Gge |1,3 dcB dcB | ABA{B} ABc :|2,4 def gdB | G>AG G2 :|"^B" |: 
 z |: | Bdd Add |1 gag f2 d :|2 ge^c de=c :|3 gag f2 e | def gdB | G>AG G2 :|  