Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
(A,3 B,) | D D3 | (E3 F) | E D3 | A4 | B/ A3/2 F/ A3/2 | A4- | A z A A | 
 B A A/ F3/2 | F2 E D | E D D/ B,3/2 | D2- D/A,/ B, | A,2 D F | E2 D E | 
"^D   G" D4- | D3 z |]  
X:1
L:1/4
M:2/2
K:D
"D" (A,3 B,) |"D" D D3 |"A7" (E3 F) |"D" E D3 |"D" A4 |"D" B/ A3/2 F/ A3/2 |"A" A4- |"A7" A z A A | 
"D" B A A/ F3/2 |"D7" F2 E D |"G" E D D/ B,3/2 |"D" D2- D/A,/ B, |"D" A,2 D F |"A7" E2 D E | 
"^D   G" D4- |"D" D3 z |]  