Design chord progressions that establish harmony for the provided musical piece.
z [ec] [B=G] [AF] | [DF]2 [DF]2 | z [FA] [GB] [Ac] | [CE]2 [CE]2 | z [AF] [BG] [cA] | 
 [ge]2 [ge]2- | [ge] [fd] [ec] [BG] | [ecA]2 [ecB]2 | [=Gec] [ec] [B^G] [A=G] | 
 [F=C]2 [FC]2 | z [FA] [GB] [Ac] | [CE]2 E2 | z [AE] [GB] [Ac] | [ge]2 [ge]2 | 
 z [fd] [GB]/c/ [BG] | [CEA]2 [DFA]2 | [CEA] c B A ||  
X:1
L:1/4
M:4/4
K:A
"A7" z [ec] [B=G] [AF] |"D" [DF]2 [DF]2 | z [FA] [GB] [Ac] |"A" [CE]2 [CE]2 |"A" z [AF] [BG] [cA] | 
"E" [ge]2 [ge]2- | [ge] [fd] [ec] [BG] |"A" [ecA]2"Amaj7" [ecB]2 |"A7" [=Gec] [ec] [B^G] [A=G] | 
"D7" [F=C]2 [FC]2 |"D" z [FA] [GB] [Ac] |"A" [CE]2 E2 |"A" z [AE] [GB] [Ac] |"E" [ge]2 [ge]2 | 
 z [fd] [GB]/c/ [BG] |"A" [CEA]2"D" [DFA]2 |"A" [CEA] c B A ||  