Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['BcB AGA B2 G G2', 'B2 d dcB']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
 d/c/ | BcB AGA | B2 G G2 B | cec BdB | c2 A Adc | BcB AGA | B2 G G2 e | dcB cBA | G2 G G2 :: d | 
 B2 d dcB | c2 e efg | B2 d dcB | cAA ABc | B2 d dcB | c2 e efg | dcB cBA | G2 G G2 :|  