Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:2/4
K:D
['f/e/ dA FA d>d df ed cd', 'D e f>f ff z g g2'  
X:1
L:1/8
M:2/4
K:D
|: f/e/ | dA FA | d>d df | ed cd | ef gf/g/ | af ge | dc AF | GB A/B/A/G/ | FD D :: e | f>f ff | 
 z g g2 | f>f f a | gf ef/g/ | af ge | dc AF | GB A/B/A/G/ | FD D :|  