Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:G
['(3DEF GFGB AGED GBdg e2 (3def gfgd', 'gfgd edBG']  
X:1
L:1/8
M:4/4
K:G
 (3DEF | GFGB AGED | GBdg e2 (3def | gfgd edBG | ABAG E2 (3DEF | GFGB AGED | GBdg e2 (3def | 
 gfgd edBG | AcBA G2 :| (3def | gfeg fedf | edef edBd | gfgd edBG | ABAG E2 (3DEF | GFGB AGED | 
 GBdg e2 (3def | gfgd edBG | AcBA G2 :|  