Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/8
M:2/4
K:G
['D G2 FG A2 GA BdcB A2']  
X:1
L:1/8
M:2/4
K:G
 D | G2 FG | A2 GA | BdcB | A2 z D | G2 FG | A2 GA | BdcB | A2 z B | ccec | B>cdB | AABA | GBdB | 
 ccec | B>cdB | AABA | G2 z |]  