Construct a musical piece utilizing the given sequence in alphabetical form and the supplied motif.
X:1
L:1/8
M:2/2
K:A
['ABcB ABcB']  
X:1
L:1/8
M:2/2
K:A
|: (3efg |"A" a2 a2 abaf | e2 c2 c2 (3efg |"A" a2 ab a2 e2 |"D" f3 =g f2 (3ef^g |"A" a2 a2 abaf | 
 e2 c2 c2 A2 |"D" BABA"E7" cA B2 |"A" A3 B A2 :: cB |"A" ABcB ABcB | e3 f e2 cB |"A" ABcB ABcB | 
"F#m" A2 F2 F2 A2 |"A" ABcB ABcB | e3 f e2 cB |"E7" BABA cA B2 |"A" A3 B A2 :|  