Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/2
K:G
['GEDE G3']  
X:1
L:1/8
M:2/2
K:G
 BA |"G" GEDE G3 A | B2 BA Bc d2 |"G" GEDE G3 B |"Am" AGAB"D7" AGEF |"G" GEDE G2 GA | 
 (3BAG BA Bc d2 |"C" edef gedc |"G" BG"D7"AF"G" G2 :: (3def |"Em" g2 ge"Bm" fd d2 | 
"Em" edef"Bm" edBd |"Em" gedB GB B2 |"Am" (3ABc BG AG E2 |"G" GEDE G3 A | (3BAG BA"G7" Bc d2 | 
"C" edef gedc |"G" BG"D7"AF"G" G2 :|  