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:C
['(3BAG (3FED', 'D>C(A,<C) e>dc>e d>c (A<c) (3GAG (3FED (3CED']  
X:1
L:1/8
M:4/4
K:C
 G,>G,A,>B, (C E2) E | E>ED>C (E G3) | G,>G,A,>B, C>EG>c |1 (3BAG (3FED (3CED (3CB,A, :|2 
 (3BAG (3FED C2 [G,Ec]2 |: e>dc>e d>c (A<c) | G>GE>C D>C(A,<C) | e>dc>e d>c (A<c) | 
 (3GAG (3FED (3CED (3CB,A, :|  