Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/4
M:4/4
K:G
['A B', 'A, B, C D']  
X:1
L:1/4
M:4/4
K:G
 G3/2 G/ G A | B G G F/E/ | D3/2 E/ D C | B, C D E/F/ | G3/2 G/ G A | B G G D | E A A B | A D E F | 
 G3/2 G/ G A | B G G F/E/ | D3/2 E/ D C | B, C D E/F/ | G3/2 A/ G E | D B, G, A, | B,2 A,2 | G,4 |: 
 G,3/2 G,/ G, A, | B, C D C | B,3/2 C/ B, A, | B, C D E/F/ | G3/2 A/ G E | D B, G, A, | B,2 A,2 |1 
 A,4 :|2 G,4 ||  