Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:4/4
K:C
['G c2 cd cGEG c2 c>c c2', 'd2 f eccd/e/ fdde/f/ gedc G3 B/c/']  
X:1
L:1/8
M:4/4
K:C
 G | c2 cd cGEG | c2 c>c c2 d2 | edef gedc | d2 d>d d2 :: f | eccd/e/ fdde/f/ | gedc G3 B/c/ | 
 dBGB dggf | edcB c3 :|  