Create a musical composition incorporating the given motif following the designated alphabetical pattern.
X:1
L:1/8
M:4/4
K:Eb
['B3 de c2 cB G2']  
X:1
L:1/8
M:4/4
K:Eb
 c2 cc e3 [gf] | fe cA B3 | de c2 cB G2 | Bc c z4 c | cc c c2 e3 | [gf](fe) cG B3 | de c2 cB G2 | 
 B c2 c4 c | c c2 c-c e2 f | g b2 c'2 c3 | c c2 Bc e (f2 | g) c'4 b3 | [c'b] a3 a g3 | gf ec G B3 | 
 de c2 cB G2 | B c2 c6 | z8 |]  