Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:3/4
K:Amin
['AA ef ed dc/B/ c2 B2 A^G', 'B2 AA ab ag a/g/f/e/ f/g/f/e/ dc']  
X:1
L:1/8
M:3/4
K:Amin
 AA ef ed | dc/B/ c2 B2 | A^G AB cd | e/f/e/d/ c/d/c/B/ cB | AA ef ed | dc/B/ c2 B2 | A^G AB cd | 
 ed/c/ B2 B2 :: AA ab ag | a/g/f/e/ f/g/f/e/ dc | de ga gf | e/f/e/d/ e/f/e/d/ cB | 
 cB/c/ cB/A/ B^G | A2 A4 :|  