Using the provided alphabet sequence and motif, develop a unique musical composition.
X:1
L:1/8
Q:1/8=160
M:4/4
K:F
['f2 c2 A2 F2 cdef g2 e2', 'c2 A2']  
X:1
L:1/8
Q:1/8=160
M:4/4
K:F
 f2 c2 A2 F2 | cdef g2 e2 | fg a2 G2 F2 | e3 d/e/ f4 | f2 c2 A2 F2 | cdef g2 e2 | fg a2 g2 f2 | 
 e3 d/3e/3 f4 :: f2 c2 A2 F2 | FGAB c2 A2 | dBcA BGAF | E3 D/E/ F4 | f2 c2 A2 F2 | FGAB c2 A2 | 
 dBcA BGAF | E3 D/E/ F4 :|  