Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:2/4
K:C
['G,>G, C2 A,>A, F,2 G,>G, G,2 F>F']  
X:1
L:1/8
M:2/4
K:C
 G,>G, C2 | A,>A, F,2 | G,>G, G,2 | F>F E2 | D>D G,2 | G,G,/E/ C2 | G,>G, C2 | A,>A, F,2 | 
 G,>G, G,2 | F>F E2 | D>D G,2 | C2 z2 |]  