Compose musical pieces adhering to the prearranged pattern, utilizing the provided motif.
X:1
L:1/4
M:4/4
K:D
['a2 a a/b/', 'd d'  
X:1
L:1/4
M:4/4
K:D
 a2 a a/b/ | a f/f/ e d | a2 a a/b/ | a/a/f/ e2 | a2 a a/b/ | a f/f/ e d | f f/e/ d d/d/ | 
 B B A A/B/ || d d f/f/ e | d d f3/2 e/ | d d f/e/ d | B B A A/B/ | d d f/f/ e | d d f3/2 e/ | 
 d d f/e/ d | B B A2 ||  