Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/16
M:2/4
K:C
['G2 G2c2c2c2 B2d2d2f2 e2c2A2d2 c4 B2G2 G2c2c2c2', "G6 c'4 bagc' b2g2 g2c'2 B2d2f2e2 e4", 'G2c2c2c2 Bcde gfed fedc', 'GG G2c2c2e2 c2g2e2c2 G2d2d2f2 d2f2d2B2 e2>d2c2B2 dcBA']  
X:1
L:1/16
M:2/4
K:C
 G2 | G2c2c2c2 | B2d2d2f2 | e2c2A2d2 | c4 B2G2 | G2c2c2c2 | B2d2d2c2 | cBAG BAG^F | G6 || 
 c'4 bagc' | b2g2 g2c'2 | B2d2f2e2 | e4 d2G2 | ABcA BcdB | cdec defd | fedc G2B2 |"^segno" c6 || 
 G2 | G2c2c2c2 | Bcde gfed | fedc BAfd | cgec d2G2 | G2c2c2c2 | Bcde gfed | fedc G2B2 | c6 || GG | 
 G2c2c2e2 | c2g2e2c2 | G2d2d2f2 | d2f2d2B2 | e2>d2c2B2 | dcBA G2c2 | B2c2 edcB |"^DC" c6 |]  