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:2/4
K:G
['GA Bd', 'g2 g2 ag/a/ gf ed B2 B/c/B/A/'  
X:1
L:1/8
M:2/4
K:G
|: G2 GA | Bd e/f/g | B2 B>A | GE ED | G>F GA | Bd ed | e/f/g/e/ af | g2 g2 :: g2 ag/a/ | gf ed | 
 B2 B/c/B/A/ | GE ED | G>F GA | B/c/d/B/ ed | e/f/g/e/ af | g2 g2 :|  