Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:2/4
K:C
['c3 G AGFE cdec fedc BcdB', 'z g/f/']  
X:1
L:1/8
M:2/4
K:C
 c>B | c3 G | AGFE | cdec | fedc | BcdB | efgf | edd (c/B/) | c3 G | AGFE | cdec | fedc | BcdB | 
 defd | ec c :: g/f/ | egc'g | egc'g | afdf | a2 z g/f/ | gece | gece | dcdB | G2 z g/f/ | egc'g | 
 egc'g | afdf | a2 z g/f/ | egfg | egfg | ec c :|  