Create a musical composition employing the given alphabetic structure and melodic theme.
X:1
L:1/8
M:4/4
K:G
['GE DEGB A2 GB ABGB AE G/F/E', 'dBGB d2 BG AG E/F/G |1 d2']  
X:1
L:1/8
M:4/4
K:G
|: GE | DEGB A2 GB | ABGB AE G/F/E | DEGB A/B/A GB |1 dBAc BG :|2 dB A/B/c BG |: GB | d3 e dBGB | 
 d2 BG AG E/F/G |1 d2 de dBGB | dBAc BG :|2 c2 c/B/A B2 BA | G2 BG AG ||  