Create chord progressions that complement the given musical composition.
a/f/ | d d d c/d/ | e e e f/e/ | d/c/B/A/ B c | d/c/d/e/ d a/f/ | d d d c/d/ | 
 e e e f/e/ | d/c/B/A/ B c | d2 d :: d | f f f e/f/ | g g g a/f/ | e e e d/e/ | 
 f f f a/f/ | d d d c/d/ | e e e f/e/ | d/c/B/A/ B c | d2 D :|  
X:1
L:1/4
M:2/2
K:D
 a/f/ |"D" d d d c/d/ |"A" e e e f/e/ |"G" d/c/B/A/ B c |"D" d/c/d/e/ d a/f/ |"D" d d d c/d/ | 
"A" e e e f/e/ | d/c/B/A/ B c |"D" d2 d :: d |"D" f f f e/f/ |"G" g g g a/f/ |"A" e e e d/e/ | 
"D" f f f a/f/ |"D" d d d c/d/ |"A" e e e f/e/ |"G" d/c/B/A/ B c |"D" d2 D :|  