Create chord progressions to improve the harmony of the provided musical section.
a | fed A2 d | Bcd A2 a | fed A2 d | c2 e e2 a | fed A2 A | Bcd A2 A | 
 Bgf edc | d3- d || fg | afd f2 a | fef def | gfg ecA | gfg efg | 
 afd f2 a | fef def | BGd cAe | d3- d2 |]  
X:1
L:1/8
M:6/8
K:D
 a |"D" fed A2 d |"G" Bcd"D" A2 a |"D" fed A2 d |"A7" c2 e e2 a |"D" fed A2 A |"G" Bcd"D" A2 A | 
"G" Bgf"A7" edc |"D" d3- d || fg |"D" afd f2 a |"D" fef def |"A7" gfg ecA |"A7" gfg efg | 
"D" afd f2 a |"D" fef def |"G" BGd"A7" cAe |"D" d3- d2 |]  