Compose a musical piece using the specified sequence's alphabetical representation and the provided motif.
X:1
L:1/4
M:3/4
K:G
['G3/2 A/ G F E D', 'c A']  
X:1
L:1/4
M:3/4
K:G
 D | G3/2 A/ G | F E D | G A B | c3/2 B/ c | d2 c | B c A | G3/2 A/ G | F E D | G3/2 A/ G | F E D | 
 G A B | c3/2 B/ c | d2 c | B c A | G3 | G B c || d z d | d2 z | c A B | c3 | B3/2 A/ B/c/ | 
 d B G | E F G | A F D | G3/2 A/ G | F E D | G A B | c3/2 B/ c | d2 c | B c A | G3 | G2 ||  