Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:G
['GA B2 AG g3 e', 'G2 gf edge dega bage d3 d']  
X:1
L:1/8
M:4/4
K:G
 GA | B2 AG g3 e | dB AG E3 A | GABd DBAG | E2 G>A G2 GA | B2 AG g3 e | dBAG E3 A | GA Bc/d/ DBAG | 
 E2 G>A G2 || gf | edge dega | bage d3 d | edge abga | b2 e>f e2 ga | bage g3 B | cB AG E3 A | 
 GA Bd e3 D | E2 G>A G2 ||  