Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/4
K:G
['B2 cB/c/ d2 z d', 'Dd dc cBAG BAGF', 'G2 B2 B2 BA A2 c2 c2', 'A2 BdBd ce ce dfdf g/f/e/d/ c/B/A/G/'  
X:1
L:1/8
M:2/4
K:G
 B2 cB/c/ | d2 z d | efge | eddc | B2 cB/c/ | d2 z d | ecAF | G2 G2 :: Dd dc | cBAG | BAGF | 
 G/F/G/A/ GG | Dd dc | cBAG | BAGF | G2 G2 :: B2 B2 | BA A2 | c2 c2 cB B2 | B.d.d.d | e/d/e/f/ gd | 
 gdcB | B2 A2 :: BdBd | ce ce | dfdf | g/f/e/d/ c/B/A/G/ | BdBd | cece | dfdf | g2 g2 :|  