Create a musical piece that integrates the provided motif and follows the prescribed alphabetical structure.
X:1
L:1/16
M:2/4
K:D
['ABcd e2g2 f2d2 e4 dcBA', 'a2e2 e4']  
X:1
L:1/16
M:2/4
K:D
 A2- | ABcd e2g2 | f2d2 e4 | dcBA G2g2 | g2B2 B4 | ABcd e2g2 | f2d2 e4 | dcBA G2AB | A6 :: fg | 
 a2e2 e4 | a2e2 e4 | dcBA2 G2g2 | g2B2 B4 | a2e2 e4 | a2e2 e4 | dcBA G2AB | A6 :|  