Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:4/4
K:C
['[ec]2 [ec]G']  
X:1
L:1/8
M:4/4
K:C
 G2 |"C" [ec]2 [ec]G [ec]2 [ec]G |[M:3/4] [ec]2 [ec][dB] [ec][fd] |"G7" [dB]4 [dB][ec] | 
[M:4/4] [fd]2 [fd]G [fd]2 [fd]G |[M:3/4] [fd]2 [fd][ec] [fd][ge] |"C" [ec]4 :: [ge]2 | 
[M:4/4]"F" [af]2 [ge]2 [fc]4 |"C" [ge]2 [fd]2 [ec]4 |[M:3/4]"G7" [dB]3 [ec] [fd]2 |1 
"C" [ec][dB] [ec][fd] :|2"C" [ec]4 |]  