Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
"^A" E2 | A2 AB cBcd | efec d2 cd | edcB ABcA | B^G E2 E2 (3E^FG | 
 A^GAB cBcd | efec d2 cd | ea^ga edcB | c2 A2 A2 :|"^B" ef | g2 ga gfef | 
 gfec d2 cd | edcB ABcA | B^G E2 E2 (3E^FG | A^GAB cBcd | efec d2 cd | 
 ea^ga edcB | c2 A2 A2 :|  
X:1
L:1/8
M:4/4
K:Amin
"^A" E2 |"Am" A2 AB cBcd |"Am" efec"G" d2 cd |"Am" edcB ABcA |"E7" B^G E2 E2 (3E^FG | 
"Am" A^GAB cBcd |"Am" efec"G" d2 cd |"Am" ea^ga"E7" edcB |"Am" c2 A2 A2 :|"^B" ef |"C" g2 ga gfef | 
"C" gfec"G" d2 cd |"Am" edcB ABcA |"E7" B^G E2 E2 (3E^FG |"Am" A^GAB cBcd |"Am" efec"G" d2 cd | 
"Am" ea^ga"E7" edcB |"Am" c2 A2 A2 :|  