Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
"^A" Ad ed | d>c c2 | cg Ag | fd d/c/d | Ad ed | d>c c2 | cg B>c | dd d z :: 
[K:A]"^B" e/e/e B/B/B | e/e/e c/c/c | g/g/g f/f/f | e/f/e/d/ cc | e/e/e B/B/B | 
 e/e/e c/c/c | gf dB | AA A"_>Teil A" z ::[K:G]"^C" dd g2 | BB d2 | EE A/B/c | 
 DD G/A/B | dd g2 | BB d2 | ee A/B/c | GB G z ::"^D" F>e ed | G>e ed | 
 fe cA | G/A/B/c/ dd | F>e ed | G>e ed | fe f/e/c/A/ | GG G z :|  
X:1
L:1/8
M:2/4
K:D
"^A""D" Ad ed |"A7" d>c c2 | cg Ag |"D" fd d/c/d | Ad ed |"A7" d>c c2 | cg B>c |"D" dd d z :: 
[K:A]"^B""E7" e/e/e B/B/B |"A" e/e/e c/c/c |"E7" g/g/g f/f/f |"A" e/f/e/d/ cc |"E7" e/e/e B/B/B | 
"A" e/e/e c/c/c |"E7" gf dB |"A" AA A"_>Teil A" z ::[K:G]"^C""G" dd g2 | BB d2 |"Am" EE A/B/c | 
"D7" DD"G" G/A/B | dd g2 | BB d2 |"C" ee"D7" A/B/c |"G" GB G z ::"^D""D7" F>e ed |"G" G>e ed | 
"D7" fe cA |"G" G/A/B/c/ dd |"D7" F>e ed |"G" G>e ed |"D7" fe f/e/c/A/ |"G" GG G z :|  