Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/4
M:3/4
K:D
['D G2 F2 B A d2 c2', 'A B']  
X:1
L:1/4
M:3/4
K:D
 D G2 | F2 B | A d2 | c2 d | e f2 | g2 f | g e2 | d3 |] f g2 | e2 d | e c2 | d2 B | c d2 | B2 A | 
 B ^G2 | A3 | F G2 | E2 A | B d2 | c2 B | A B2 | G2 F | G E2 | D3 |]  