Develop a musical composition using the outlined alphabetical depiction of the structure and the provided theme.
X:1
L:1/8
M:2/4
K:F
['feg>f e>dfc/e/ e>dc>B']  
X:1
L:1/8
M:2/4
K:F
 c | d>cBA | ccGc | d>cBA | cGzc | feg>f | e>dfc/e/ | e>dc>B | BAzc | feg>f | e>dfc/e/ | e>dc>B | 
 BA z |]  