Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:2/4
K:A
['A>B AE FA E2 FB BA/B/', 'f2 Bf Bf g2 g2 cg cg']  
X:1
L:1/8
M:2/4
K:A
|: A>B AE | FA E2 | FB BA/B/ | cB Bc/B/ | A>B AE | FA E2 | FB BA/B/ |1 cA Ac/B/ :|2 cA Ac/d/ |: 
 e>f eA | f2 f2 | Bf Bf | g2 g2 | cg cg | a2 gf | eA c/B/A/B/ |1 cA Ac/d/ :|2 cA A2 ||  