Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
Q:1/8=80
M:4/4
K:none
['A>B |{g} c2{GdG} cB{gcd}cB{g}(3(cde) c2{gcd} cB{gcd} c2']  
X:1
L:1/8
Q:1/8=80
M:4/4
K:none
|:{g} A>B |{g} c2{GdG} cB{gcd}cB{g}(3(cde) | c2{gcd} cB{gcd} c2 BA |{d} ce{ag}a>f{gef}ec{g}BA | 
 B2{GdG} Bc{gBd} B2 A>B |{g} c2{GdG} cB{gcd}cB{g}(3(cde) | c2{gcd} cB{gcd} c2 BA | 
{d} ce{ag}a>f{gef}ec{g}BA |{g} A2{GAG} AB{G} A2 ::{g} f>g |{ag} a2 fa{fg} f2{gf} ga | 
 gf{gf}ge{gcd} c2{g} A/B/c/d/ |{g} e2{A} ef{gef}ec{g}B{d}A |{ag} a2{GdG} a2{g} a3/2{f}g/ | 
{fg} f2{g} (3(fga){ef} e2{A} ef |{gef} ec{g}B{d}A{gBd} B2{g} ce |{g} fe{ag}a>f{gef}ec{g}B{d}c | 
{g} A2{GAG} AB{G} A2 :|  