Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
Q:3/8=110
M:6/8
K:F
['F F2 A A2 c c2 f', 'fef gec c2']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:F
 F | F2 A A2 c | c2 f f2 e | d2 g g2 f | ede c2 F | F2 A A2 c | c2 f f2 e | dgf ede | g3 f2 :: 
 a/b/ | c'af fef | gec c2 B | Acf fef | gec c2 a/b/ | c'af fef | gec c2 B | Acf ede | g3 f2 :|  