Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['dc de de fd', 'fg af'  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: A2 | dc de de fd | e^d ef ef ge | dc de de fd | ec dB AB cA | dc de de fd | e^d ef ef ge | 
 fa df eg ce | d2 f2 d2 :: ag | fg af ga bg | ef ge fg af | de fd ef gf | ed cB AB cA | 
 dc de de fd | e^d ef ef ge | fa df eg fe | d2 f2 d2 :|  