Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/8
M:4/4
K:E
['E2 GB e2', 'e2 a3 f g3 e f2 ef']  
X:1
L:1/8
M:4/4
K:E
|: E2 GB e2 eB | ceBG F2 E2 | E2 GB e2 ef | gfge c2 Bc | E2 GB e2 eB | ceBG F2 ef | gfge c2 ef | 
 g/a/b ge f2 e2 :: a3 f g3 e | f2 ef gfec | B/B/B bg a2 gf | eBeg f2 fg | aeca- aeca | geBg- gfef | 
 gfge c2 ef | g/a/b ge f2 e2 :|  