Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
['', 'DS G2 (GB) AGAB G/G/G (Bd) e3', 'dBBG AGAB']  
X:1
L:1/8
Q:1/4=120
M:4/4
K:G
"^Reel." DS |: G2 (GB) AGAB | G/G/G (Bd) e3 g | dBBG AGAB | GEED GDB,D :: dBBG AGAB | dBBd e3 g | 
 dBBG AGAB |1 GEED G3 e :|2 GEED GDB,DS |]  