Create a composition based on the provided motif, following the specified musical structure.
X:1
L:1/8
M:2/4
K:G
['dB d/c/d dB e/d/e cf f/e/f', 'GD GD BG d2 cF F/E/F', 'cD F2'  
X:1
L:1/8
M:2/4
K:G
 dB d/c/d | dB e/d/e | cf f/e/f | gB d2 | dB d/c/d | dB e/d/e | cf f/e/f | gb g z :: GD GD | 
 BG d2 | cF F/E/F | BG G2 | GD GD | BG d2 | cF F/E/F | GB G2 :: d/e/d/c/ dc | BD G2 | BD GB | 
 cD F2 | e/d/c/d/ ed | cD F2 | cD Fc | BD G2 | d/e/d/c/ dc | BD G2 | BD GB | cD F2 | e/d/c/d/ ed | 
 cD F2 | cD FA | GG G2 :|  