Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/8
M:2/2
K:Edor
['GA BABG DEGA B2 E2 E2 Bc', 'a2 a2'  
X:1
L:1/8
M:2/2
K:Edor
 GA | BABG DEGA | B2 E2 E2 Bc | dfge dBAG | E2 A2 A2 GA | BABA DEGA | BABd efge | dfge dBAB | 
 G2 E2 E2 :: df | gage dBdf | gfga gbag | a2 a2 bagf | e2 a2 a2 ga | bagf efge | dBge dBAG | 
 dBge dBA[GB] | G2 E2 E2 :|  