Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
Q:1/2=96
M:2/2
K:Amin
['E A2 B2 c3 B cBAc B2', 'B3 E A2 B2 c3 c B2', 'A2 GF E3 A B2 c2']  
X:1
L:1/8
Q:1/2=96
M:2/2
K:Amin
 E | A2 B2 c3 B | cBAc B2 AB | c2 Bc A3 c | BAGA B3 :| E | A2 B2 c3 c | B2 AB G4 || A2 GF E3 A | 
 B2 c2 A2 E2 | A2 GF E3 A | B2 c2 A3 ||  