Develop a musical composition incorporating the given motif while adhering to the outlined alphabetical form.
X:1
L:1/8
M:4/4
K:G
['DEF GFGB AGED GBdg e2 def gfgd', 'gfgd edBG']  
X:1
L:1/8
M:4/4
K:G
|: DEF | GFGB AGED | GBdg e2 def | gfgd edBG | ABAG E2 DEF | GFGB AGED | GBdg e2 def | gfgd edBG | 
 AcBA G2 :: def | gfeg fedf | edef edBd | gfgd edBG | ABAG E2 DEF | GFGB AGED | GBdg e2 def | 
 gfgd edBG | AcBA G2 :|  