Construct a musical piece that contains the provided motif and abides by the prescribed alphabetical scheme.
X:1
L:1/8
M:3/4
K:A
['cB A2 E2 F2', 'dc BA']  
X:1
L:1/8
M:3/4
K:A
 cB | A2 E2 F2 | A3 B{AB} c2 | B4 cB | A2 E2 F2 | A3 B cB | A4 cB | A2 E2 F2 | AG AB cd | B4 AB | 
 c2 dc BA | B2 cB AF | A4 || cd | e2 dc BA | e2 fe dc | B4 cd | e2 dc BA | AG AB cd | e4{fg} a2 | 
 e2 dc BA | e2 fe dc | B4 AB | c2 dc BA | B2 cB AF | A4 ||  