Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:2/2
K:G
['D2 G2 dG BBdG AGFG ABcA BAGF', '(Bd) (3gag (fd) edBG']  
X:1
L:1/8
M:2/2
K:G
 D2 | G2 dG BBdG | AGFG ABcA | BAGF GABc | de=fd cA^FA | B>(G{A} (3G)FG BGAG | FGAB cBcA | 
 BdGB cBAG | FDEF G2 || (Bd) | (3gag (fd) edBG | FDAD BDAD | E2 (EF) GFGA | (3Bcd ce d2 (Bd) | 
 (3gag (fd) edBG | (3FED (AD) BDAD | G2 (FE) DGBd | cDEF G2 |]  