Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/8
M:4/4
K:G
['', 'G3 B', 'cABG AGEG']  
X:1
L:1/8
M:4/4
K:G
 dB |: G3 B DGBD | GBdg b2 ag | egdG B/c/dge | dBAG EdBA | G3 B DGBD | GBdg b2 ag | egdG B/c/dge |1 
 dBAB G3 z :|2 dBAB G3 D |: G3 B AGed | g3 e dBAG | c2 Bc AB G2 | cABG AGEG | DGBd B3 B | 
 cABG AGEG | DGB/c/d gd B2 |1 DGFA G3 D :|2 DGFA G3 ||  