Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:4/4
K:F
['cB A2 F4 GF EG B2 B2', 'F4 (3cde fcAc fagf gece gbag afge']  
X:1
L:1/8
M:4/4
K:F
 cB | A2 F4 GF | EG B2 B2 cB | Acde fcdB | A2 F4 :: (3cde | fcAc fagf | gece gbag | afge fdgf | 
 e2 c4 fc | (3def (3ABc B2 ba | gfed dcBc | (3Bcd (3EFG FdcB | A2 F4 :|  