Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/16
M:2/4
K:G
['(BA)(Bd) B2G2 (cB)(cd) e2d2 (fa)(fd) (fa)(fd)', '(GB)(dg) b2(ab) a2(ga) g2f2 (AB)(cd)'  
X:1
L:1/16
M:2/4
K:G
 (BA)(Bd) B2G2 | (cB)(cd) e2d2 | (fa)(fd) (fa)(fd) | g2(fe) d2G2 | (BA)(Bd) B2G2 | (cB)(cd) e2d2 | 
 (fa)(fd) (fa)(fd) | g2g2 g4 :: (GB)(dg) b2(ab) | a2(ga) g2f2 | (AB)(cd) e2(de) | d2(cd) c2B2 | 
 (GB)(dg) b2(ab) | a2(ga) g2f2 | (AB)(cd) (ed)(ef) | g2g2 g4 :|  