Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/2
K:G
['AGED G2 AG de e2 dBAd', 'fedB eBfa g3', 'A GABG AE E2 G2 GE dBeB', 'gfed (3Bcd ef', 'E2 G3 B dBeB dBAc', 'f eB B2 gfed BAGA Bcde faaf']  
X:1
L:1/8
M:2/2
K:G
 e3 d B3 A | GABG AGED | G2 AG de e2 | dBAd BG G2 | gfed edBA | G2 BG AGED | G2 AG de e2 | 
 dBAd BG G2 || fgag fedB | eBfa g3 f | eB B2 gfed | BAGA BA A2 | f2 ag fedB | eBfa g3 a | 
 bgaf gfed | (3efg af g3 f |:"^Version 2:" e2 ed B3 A | GABG AE E2 | G2 GE dBeB | dBAd BG G2 :| 
 faaf gfed | (3Bcd ef gafg | eB B2 gedB | BAB^c dcde | faaf gfed | (3Bcd ef g3 f | g2 af geed | 
 eaaf g3 f ||"^Variations" e3 d B3 A | GABG AE E2 | G3 B dBeB | dBAc BGBd | efed BdBA | 
 GABG AE E2 | G3 B dBeB | dBAc BG G2 || faaf gfed | (3Bcd ef g3 f | eB B2 gfed | BAGA Bcde | 
 faaf gfed | (3Bcd ef g3 a | bgaf gfed | (3efg af g3 f ||  