Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:3/4
K:C
['G2 C2']  
X:1
L:1/8
M:3/4
K:C
 G G | c2 c2 d3/2 f/ | e2 d2 e d | c2 G2 A B | c4 EF | GG G2 C2 | A G G2 C D | (EF) G2 C2 | C4 ||  