Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:4/4
K:Emin
['B,2 B2 B>cdB AGFE D2', 'E2 E>F A2 B2 d2 e>f e>d']  
X:1
L:1/8
M:4/4
K:Emin
 ED | B,2 B2 B>cdB | AGFE D2 E>F | G2 FE BAGF | (E3 D) B,2 E>D | B,2 B2 B>cdB | AGFE D2 EF | 
 G2 FE B>AGF | E4 E2 || E>F | A2 B2 d2 e>f | e>d cB A3 A | B2 e2 e>def | (e3 d B2) Bc | 
 dcde d2 cB | A>GFE D2 EF | G2 FE B>A GF | E4 E2 ||  