Create a series of chord progressions to enhance the harmonic aspect of the given piece of music.
K:D]"_=A," (3A,/"_=B,_=C"C/ |: D D3/2 D/ | D E G | F z E | D z (3A,/B,/C/ | D D3/2 D/ | 
 D E G | F z E | D z F/G/ || A d F | A A/G/ E | B A G | A/B/ A/G/ F/G/ | A d F | A A/G/ E | 
 A G E |1 D z (3A,/B,/C/ :|2 D z |  
X:1
L:1/4
M:3/4
K:none
[K:D]"_=A," (3A,/"_=B,"B,/"_=C"C/ |: D D3/2 D/ | D E G | F z E | D z (3A,/B,/C/ | D D3/2 D/ | 
 D E G | F z E | D z F/G/ || A d F | A A/G/ E | B A G | A/B/ A/G/ F/G/ | A d F | A A/G/ E | 
 A G E |1 D z (3A,/B,/C/ :|2 D z |]  