Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
"^A" |: DEF E2 D | d2 e f2 g |"^(F)" agf edc | AcA GEC | DEF E2 D | 
 d2 e f2 g |"^(F)" agf ed^c |1 d3 d3 :|2 d3 d2 ||"^B" |: e | fga fga | 
 fga agf | ecg ecg | ecg gfe | fga agf | efg gfe | def ed^c | d3 d2 |]  
X:1
L:1/8
M:6/8
K:Dmin
"^A" |:"Dm" DEF E2 D |"Dm" d2 e f2 g |"^(F)" agf edc |"C" AcA"C7" GEC |"Dm" DEF E2 D | 
"Dm" d2 e f2 g |"^(F)" agf"A7" ed^c |1"D" d3 d3 :|2"D" d3 d2 ||"^B" |: e |"F" fga fga | 
"F" fga agf |"C" ecg ecg | ecg gfe |"Dm" fga agf |"C" efg gfe |"Dm" def"A7" ed^c |"D" d3 d2 |]  