Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/16
M:2/4
K:F
['A2cA G2cA F2F2F2 A,C F2B,D', 'c2af b2bg ecBG E2ge']  
X:1
L:1/16
M:2/4
K:F
 f2c2 | A2cA G2cA | F2F2F2 A,C | F2B,D G2F2 | E2GE C2fc | A2cA G2cA | F2F2F2 A,C | F2B,D G2E2 | 
 F4 F2 :: f2c2 | A2af c2af | b2bg ecBG | E2ge c2bg | a2af cfcA | F2af c2af | b2bg ecBG | 
 E2ge cbge | f2f2f2 :|  