Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:3/4
K:C
['EF G>c c2 d>c A>D F2 D>C']  
X:1
L:1/8
M:3/4
K:C
 EF | G>c c2 d>c | A>D F2 D>C | B,>DB>AG>F | E4 EF | G>c c2 d>c | A>D F2 D>C | B,>DB>AG>B, | 
 C2 z GAG | GgfGAG | GfedcB | A2 fBfB | ceGGAG | GgfGAG | GfedcB | A2 fBfB | c2 z2 |]  