Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:6/8
K:E
['cBG FGB', 'c Bce fef gff f2 g aec']  
X:1
L:1/8
M:6/8
K:E
|: cBG FGB | E3 EGB | cBG FGB | ced c2 B | cBG FGB | E3 EFG | F2 E FGB |1 c2 B ced :|2 c3 c2 B |: 
 Bce fef | gee e2 c | Bce fef | gff f2 g | aec Aca | geB GBe | fef g2 f | efe e2 c :|  