Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
M:2/4
K:F
['A2 a3 b g3 a fed^c cefg', 'Ae ^cA']  
X:1
L:1/8
M:2/4
K:F
 A2 | a3 b | g3 a | fed^c | cefg | aa a/c'/b/a/ | gg g/b/a/g/ | (3f/g/f/ e/d/ ^c/b/a/c/ | 
 Tc2 d z :: Ae ^cA | Ae ^cA | dTefg | afTed | aa a/c'/b/a/ | gg g/b/a/g/ | 
 (3f/g/f/ e/d/ ^c/b/a/c/ | T^c2 d2 |]  