Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:G
['(3BcB Ac BG G2 DEFG ABcA GEED', 'G2 edef gage gage dBBA GABG Bd']  
X:1
L:1/8
M:4/4
K:G
|: (3BcB Ac BG G2 | DEFG ABcA | GEED E2 EF | GFGD AG G2 :: edef gage | gage dBBA | GABG Bd d2 | 
 edBG A4 :|  