Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=76
M:4/4
K:Cmin
['DD CB,']  
X:1
L:1/8
Q:1/4=76
M:4/4
K:Cmin
|: z2 CD ED CE | D>D DD ED C=B, | C>E ED ED CE | D>D DD ED C=B, | C2 C6- |[K:C] C2 CC DD CB, | 
 C>E EG GG AA | G>F EE DD CB, | C>E EG GG AA | G>F EE DD CB, | C2 C6- | C8 :|  