Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/4
K:A
['B c']  
X:1
L:1/8
M:2/4
K:A
 A A2 B | c3/2 f/ e c | B4 | e2 c B | c F A2 | B c2 e | B c B A | F2 E2 | F/ A3/2 B c | E4 |]  