Formulate a range of chord couplings that heighten the harmonic components of the submitted musical creation.
ef | gB (3BBB gBaB | gB (3BBB gfed | (3cBA eA fA eA | (3cBA ed cdef | gB (3BBB gBaB | 
 gB (3BBB gfed | cdef gece | dfec d2 :: AG | F2 AF"^(G)" BF"^(D)"AF | F2 AF GFED | 
 E2 EF GFED | EDEF GFED | F2 AF"^(G)" BF"^(D)A" A2 AB cABc | 
 dfec d2 :|  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 ef |"Em" gB (3BBB gBaB | gB (3BBB gfed |"A" (3cBA eA fA eA | (3cBA ed cdef |"Em" gB (3BBB gBaB | 
 gB (3BBB gfed |"A" cdef gece |"D" df"A"ec"D" d2 :: AG |"D" F2 AF"^(G)" BF"^(D)"AF | F2 AF GFED | 
"Em" E2 EF GFED | EDEF GFED |"D" F2 AF"^(G)" BF"^(D)"AF | F2 AF GFED |"A" A2 AB cABc | 
"D" df"A"ec"D" d2 :|  