Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:6/8
K:F
['cAF FGF FGF ABc', 'f2 c faf cAF EGG GAB Acf{g}']  
X:1
L:1/8
M:6/8
K:F
 d | cAF FGF | FGF ABc | dBG GAG | GAG Bcd | cAF FGF | FGF ABc | def{a} gfg | aff f2 :: c | 
 faf cAF | EGG GAB | Acf{g} fef | egg gec | faf ege | dfd cdB | Acf{ga} gfg | aff f2!D.C.! :|  