Design well-suited chords that enrich the given musical composition.
cd | ecec eagf | ecec eagf | ecec fedc | d2 B2 B2 cd | ecec eagf | ecec eagf | 
 efde cdBc | A2 A2 A2 :: cd | edcd e2 fe | dcBc d2 ed | cAcA dcBA | 
 GABc B2 cd | edcd e2 fe | dcBc d2 ed | cagf edcB | A2 c2 A2 :|  
X:1
L:1/8
M:2/2
K:A
 cd |"A" ecec eagf |"A" ecec eagf |"A" ecec fedc |"E7" d2 B2 B2 cd |"A" ecec eagf |"A" ecec eagf | 
"A" efde"E7" cdBc |"A" A2 A2 A2 :: cd |"A" edcd e2 fe |"E7" dcBc d2 ed |"A" cAcA dcBA | 
"E" GABc B2 cd |"A" edcd e2 fe |"E" dcBc d2 ed |"A" cagf"E" edcB |"A" A2 c2 A2 :|  