Create a series of chord progressions to improve the harmonic structure of the given music piece.
z | A2 ed e2 A2 | edea gedc | BABd G2 GA | BcdB edBG | A<Aed e2 A2 | 
 edeg a2 ag | efge dcBd | e2 dB AAA :: B | c2 gf g2 c2 | agea gedc | 
 B2 AB GABc | dBGB gdBG | c<cgf g2 c2 | cdeg a2 ag | efge dcBd | 
 e2 dB AAA :|  
X:1
L:1/8
M:2/2
K:G
 z |"Am" A2 ed e2 A2 | edea gedc |"G" BABd G2 GA |"Em" BcdB"G" edBG |"Am" A<Aed e2 A2 | 
 edeg a2 ag |"C" efge"G" dcBd |"Em" e2 dB"Am" AAA :: B |"C" c2 gf g2 c2 | agea gedc | 
"G" B2 AB GABc | dBGB gdBG |"C" c<cgf g2 c2 |"C" cdeg"Am" a2 ag |"C" efge"G" dcBd | 
"Em" e2 dB"Am" AAA :|  