Develop musical pieces that incorporate the given motif and follow the specified structure.
X:1
L:1/8
M:2/4
K:Gdor
['Gd dG ee Gf g>f eB', 'Be cc fd dg'  
X:1
L:1/8
M:2/4
K:Gdor
|: Gd dG | ee Gf | g>f eB | a>g fB | Gd dG | ee Gf | g>f eB | A2 A2 ::[K:G] dB Be | cc fd | dg ee | 
 a>g fA | dB Be | cc fd | dg e>d | c2 c2 :|  