Form a musical piece based on the provided motif while observing the defined structure.
X:1
L:1/4
M:3/4
K:C
['.D3 .D3']  
X:1
L:1/4
M:3/4
K:C
 (3D3 .D3 .D3 .D3 .D3 .D3 | .D E G | A2 B | G D E | D2 G | A A A | (B d2) |[M:3/4] e | d A G | 
 A2 G | A A G |[M:4/4] B d2 e |[M:3/4] d B (G/B/) | A2 D/E/ | G G G | A2 B/A/ | G D E | D2 ||  