Create a composition based on the provided motif, following the specified musical structure.
X:1
L:1/8
M:2/4
K:G
['D GGGG/G/ GDD z B2 d2 B2']  
X:1
L:1/8
M:2/4
K:G
 D | GGGG/G/ | GDD z | B2 d2 | B2 z B | BddB | AA/B/cA | GBBA/G/ | ADD z | G2 Bd | g3 e | dBcA | 
 A2 G |]  