Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/4
M:2/4
K:D
['A d B']  
X:1
L:1/4
M:2/4
K:D
 D A | d B | !fermata!A D | D A | A d | B !fermata!A | d c/B/ | A G | F A | E2 | d3/2 c/ | 
 !fermata!d2 ||  