Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
M:2/4
K:G
['dG BG FG Ae', 'bg af/a/']  
X:1
L:1/8
M:2/4
K:G
|: e | dG BG | FG Ae | dG Bd | g2 fe | dG BG | FG Ae | ed cA | G2 G :: a | bg af/a/ | gf ed | 
 bg af/a/ | g2 ga | bg af/a/ | gf ed | Bd ef | g2 g :|  