Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/4
M:2/2
K:D
['A, D3/2 E/ F G']  
X:1
L:1/4
M:2/2
K:D
 A, | D D E/F/ G | F/G/F/E/ D A, | D3/2 E/ F G | A3 A | B B G B | A/B/A/G/ F A | G F E D/E/ | 
 F D B, A, | D3/2 E/ F G | A d/c/ B G | F2 E2 | D3 A | B2 G B | A2 F A | G F E D/E/ | F D B, A, | 
 D3/2 E/ F G | A d/c/ B G | F2 E2 | D3 ||  