Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
d2 A A2 F | GAB A3 | Bcd efg | fed cBA | d2 A A2 F | GAB A3 | 
 Bcd efg |1 Adc d3 :|2 Adc d2 |: f | e2 A A2 f | efg f3 | 
 efg fed | cec A3 | BGB AFA | BGB AFA | Bcd efg | Adc d2 :|  
X:1
L:1/8
M:6/8
K:D
"D" d2 A A2 F |"G" GAB"D" A3 |"G" Bcd"A" efg |"D" fed"A" cBA |"D" d2 A A2 F |"G" GAB"D" A3 | 
"G" Bcd"Em" efg |1"A" Adc"D" d3 :|2"A" Adc"D" d2 |: f |"A" e2 A A2 f |"A" efg"D" f3 | 
"A" efg"D" fed |"A" cec A3 |"G" BGB"D" AFA |"G" BGB"D" AFA |"G" Bcd"Em" efg |"A7" Adc"D" d2 :|  