Compose a piece adhering to the given musical structure and theme.
X:1
L:1/4
M:2/4
K:D
['A d f/g/f/e/ d F A3/2 d/', 'c B'  
X:1
L:1/4
M:2/4
K:D
 A d f/g/f/e/ | d F A3/2 d/ | c E G3/2 B/ | A D F A | A d f/g/f/e/ | d F A3/2 d/ | c A G E | 
 F D D2 :| f d d2 | c B B2 | e B c B | B A F A | f d d2 | c B B2 | B e B c | d3 z :|  