Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/16
M:2/4
K:A
['E2 ABcd ecze ecac B2zB Bcde fdzf', '(3ffff2 ceze EAFA GAzA']  
X:1
L:1/16
M:2/4
K:A
 E2 | ABcd ecze | ecac B2zB | Bcde fdzf | fdb2 e2ze | efga bbzg | agfe a2zc | dBcA Beze | 
 ecdB A4 || (3aaaa2 (3gggg2 | (3ffff2 ceze | EAFA GAzA | cABc FAzA | .a2.a2 .g2.g2 (3ffff2 ceze | 
 EAFA GAzA | cABG A2 ||  