Compose a piece of music that adheres to the specified alphabetical framework and includes the provided theme.
X:1
L:1/16
M:2/4
K:A
['e4{c} A4 |{c} BcBG E2AB ce2g fecA', 'EAcf ecBA B4 cdef ecA2 BcBA F2A2']  
X:1
L:1/16
M:2/4
K:A
{f} e4{c} A4 |{c} BcBG E2AB | ce2g fecA | FGAc B4 |{=G} FB2c def^g | aefa gfed | cedB A2 z2 :: 
 cdef ecA2 | agaf ecA2BAFA EAcf | ecBA B4 | cdef ecA2 | BcBA F2A2 | EGAB caec | BABc A2 z2 :|  