Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/4
M:3/2
K:G
['G G']  
X:1
L:1/4
M:3/2
K:G
 G | G A B2 A2 | B c/B/ A2 z B/A/ | G G/F/ G2 B2 | A B/A/ G2 z A | F E F D E F | G2 A/B/ A2 B | 
 E2 E D G G | B3 G2 |]  