Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
Q:1/4=90
M:2/4
K:D
['Ad Ad e/d/e/f/ e2 ag ec', 'ag ec df AA', 'D2 ff/f/ ff f3 g fe dc'  
X:1
L:1/8
Q:1/4=90
M:2/4
K:D
 Ad Ad | e/d/e/f/ e2 | ag ec | d/c/d/e/ d2 | Ad Ad | e/d/e/f/ e2 | ag ec | d2 d2 || ag ec | df AA | 
 GG G/F/G/A/ | G3 F | ag ec | df AA | G>F G/F/G/E/ | D2 D2 || ff/f/ ff | f3 g | fe dc | 
 d/c/d/e/ f2 | ee/e/ ee | e3 f | ed cB | A2 A2 |]  