Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
[K:C] E3 G3 | FED E2 C | E3 G3 | FED C3 | E3 G3 | FED E2 C | E2 A G3 | 
 FED C3 ::[K:G] DDD DEF | GFE D3 | ABA ABA | AGA B2 G | DDD DEF | 
 GFE D3 | A2 A A^GA | cBA G3 :|  
X:1
L:1/8
M:6/8
K:none
[K:C]"C" E3 G3 |"G7" FED"C" E2 C | E3 G3 |"G7" FED"C" C3 | E3 G3 |"G7" FED"C" E2 C | E2 A G3 | 
"G7" FED"C" C3 ::[K:G]"D7" DDD DEF |"G" GFE D3 |"D7" ABA ABA | AGA"G" B2 G |"D7" DDD DEF | 
"G" GFE D3 |"D7" A2 A A^GA |"G" cBA G3 :|  