Devise an assortment of chord orchestrations to intensify the harmonic unity within the designated musical composition.
|: cB cB | B/A/^G/A/ BA | AG AG | G/F/E/F/ GF | FE FE | E/D/^C/D/ ED | 
 D^C =B,C | DD EF || || G2 B2 | A2 F2 | AG FE | D2 F2"^I" | G2 B2 | 
 A2 F2 | AA =B^c | d3 z :|  
X:1
L:1/8
M:2/4
K:Dmin
"A" |:"Gm" cB cB |"Dm" B/A/^G/A/ BA |"A7" AG AG |"Dm" G/F/E/F/ GF |"Gm" FE FE |"Dm" E/D/^C/D/ ED | 
"A7" D^C =B,C |"Dm" DD EF ||"B" ||"Gm" G2 B2 |"Dm" A2 F2 |"A7" AG FE |"Dm" D2 F2"^I" |"Gm" G2 B2 | 
"Dm" A2 F2 |"A7" AA =B^c |"Dm" d3 z :|  