Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/4
M:3/4
K:C
['G2 G']  
X:1
L:1/4
M:3/4
K:C
 C | E2 E | G2 G | E2 D | C2 G | c2 e | c2 A | G2 G | c2 e | c2 A | G2 G | E2 C | D2 D | C2 B, | 
 A,3 |]  