Develop harmonious chord sequences that enhance the given music composition.
z ^G A | B3/2 A/ A | z ^G A | B3/2 A/ A | z A d | d3/2 ^c/ c | z e f | e3/2 d/ d | 
 z d f | f3/2 e/ B | z f e | e3/2 d/ A | z ^G A | B3/2 A/ A | z E F | E3/2 D/ D |]  
X:1
L:1/4
M:3/4
K:Dmin
 z ^G A |"A7" B3/2 A/ A | z ^G A |"Dm" B3/2 A/ A | z A d |"A7" d3/2 ^c/ c | z e f |"Dm" e3/2 d/ d | 
 z d f |"Gm" f3/2 e/ B | z f e |"Dm" e3/2 d/ A | z ^G A |"A7" B3/2 A/ A | z E F |"Dm" E3/2 D/ D |]  