Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/4
M:3/4
K:G
['B B']  
X:1
L:1/4
M:3/4
K:G
 D | G3/2 B/ B | B A A | G2 z | A3 | B3/2 d/ d | d c c | B3- | B z B | B d d/e/ | d c c | 
 B/B/ d B | B A z/ D/ | G3/2 A/B/c/ | d d e | d3 | e3 | d3/2 c/ B | c3/2 B/ A | B3- | B z |]  