Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:G
['G,2 B,D GBdB']  
X:1
L:1/8
M:4/4
K:G
 G,2 B,D GBdB | c2 ec dBAB | GEDE GABG | AcBA GEDB, | G,2 B,D GBdB | cdef gfga | bgag edBA |1 
 GEDE GEDB, :|2 GEDE GABc | dg g2 dgeg | dggf gabg | eaag abag | eaag edBc | dg g2 dgbg | 
 agef g3 a | bgag edBA ||1 GEDE GABc :|2 GEDE GEDB, ||  