Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/16
M:3/8
K:F
['(cB) (Ac)f2f2 cfa2a2 (g^f)gbeg fa c2cB Acf2f2', "f4 (gf) egc'2c'2 ac' f2fe d^fgabg fedc=B^A", 'a4 g2']  
X:1
L:1/16
M:3/8
K:F
 (cB) | (Ac)f2f2 | cfa2a2 | (g^f)gbeg | fa c2cB | Acf2f2 | cfa2a2 | g^fgbeg | f4 :: (gf) | 
 egc'2c'2 | ac' f2fe | d^fgabg | fedc=B^A | Acf2f2 | cfa2a2 | g^fgbeg | f4 :: c2 | a4 g2 | f2A2a2 | 
 g2c2b2 | agabc'2 | a4 g2 | f2c2a2 | gabc'd'e' | f'4 :|  