Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:F
['fgfc AF c2', 'g>agf ec g2', 'dB{a} b2 cA{g} a2']  
X:1
L:1/8
M:2/4
K:F
 fgfc | AF c2 | dbgf | e/f/g/e/ c2 | fgfc | AF c2 | dbge | f2 F2 :: g>agf | ec g2 | afdc | 
 =B/c/d/B/ G2 | g>agf | ec g2 | afd=B | c2 C2 :: dB{a} b2 | cA{g} a2 | bagf | e/f/g/e/ c2 | 
 dB{a} b2 | cA{g} a2 | bg e/f/g/e/ | f2 F2 :|  