Write musical works that keep the predetermined structure and weave in the given motif
X:1
L:1/8
Q:1/2=100
M:4/4
K:C
['D2 E2']  
X:1
L:1/8
Q:1/2=100
M:4/4
K:C
 A,2 B, | CD- D2 E2 D2 | C2 D2 E2 A,2 | (CB,-) B,2 A,2 CC | B,A,- A,2 z2 A,B, | C2 D2 ED C2 | 
 z2 D2 E2 A,2 | (CB,-) B,2 (A,G,) C2 | CB, A,2- A,4 | z4 z2 EE | E4 (A,B,)(CD-) | DE-ED (ED) C2 | 
 D4 (G,A,)(B,C-) | CD G3 (FE)(D | C2) A,B, C3 E | E2 DC- CD- D2 | E2 A,2 CB,- B,2 | 
 (A,G,) E,2 C2 B,A,- | A,4 z ||  