Formulate chord sequences to heighten the harmonic quality of the specified musical portion.
|: D>F Ad fa | ag/f/ gf/e/ fa | D>F Ad fa | ag/f/ e4 :: f>a gf"^(A)" ed | 
 cd ed cB/A/ | f>a gf"^(A)" ed | cd/e/ A4 | f>a Bc de | ed/c/ d4 :|  
X:1
L:1/8
M:3/4
K:D
|:"D" D>F Ad fa | ag/f/"A7" gf/e/"D" fa | D>F Ad fa | ag/f/"A7" e4 ::"D" f>a gf"^(A)" ed | 
"A7" cd ed cB/A/ |"D" f>a gf"^(A)" ed |"A7" cd/e/ A4 |"D" f>a"G" Bc"D" de |"A7" ed/c/"D" d4 :|  