Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:3/4
K:G
['D G A B3 d cB (AG)']  
X:1
L:1/8
M:3/4
K:G
 D G A | B3 d cB | (AG) D3 D | GA (BA) G(A/B/) | cB A3 B | cB/A/ G2 AG | (F/E/)D E2 D D | 
 E<E (F>E) D>D | GG G2- G |]  