Design chord configurations to expand the harmonic depth of the submitted musical passage.
A, | D2 FD GFED | AdAF AdAF |{DE} D2 FA GFEd | =cE (3EEE CEEF | DEFD GFED | 
 AdAF AdAF |{DE} D2 FA GFEc | dD (3DDD dDD :: B |{d} C2 cA{d} B2 BG | 
{Ad} A2 Ad AGFE | (3DDD FA GFEd | =cE (3EEE cEEd | =cecA BdBG | 
 Adcd fdAF | (3DED FA GFEc | dD (3DDD dDD :: c | d2 fa gfec | 
 defg abaf | d2 fa gfga | be (3dfd beef | d2 fa gfec | defg abaf | 
 d2 fa gfga | fage fdA :| B | =cedA BdBG | Adcd fdAF | 
{DE} D2 FA GFEd | =cE (3EEE cEEd | (3=cdc ca B2 BG |{B} A2 Ad AGFE | 
 (3DED FA GFEc | dD (3DDD dDDB | [E=c]2 cA [DB]2 BG | A2 Ad AGFE | 
{DE} D2 FA GFEd | =cE (3EEE cEEd | =cecA BdBG | Adcd fdAF | 
 (3DED FA GFEc | dD (3DDD dDD ||  
X:1
L:1/8
M:4/4
K:D
 A, |"D" D2 FD GFED | AdAF AdAF |{DE} D2 FA"G" GFEd |"C" =cE (3EEE CEEF |"D" DEFD GFED | 
 AdAF AdAF |{DE} D2 FA"G" GFEc | dD (3DDD dDD :: B |"C"{d} C2 cA"G/B"{d} B2 BG | 
"Am"{Ad} A2 Ad"G/B" AGFE |"D" (3DDD FA"G" GFEd |"C" =cE (3EEE"Am" cEEd |"C" =cecA"G/B" BdBG | 
"Am" Adcd"G/B" fdAF |"D" (3DED FA"G" GFEc |"D" dD (3DDD dDD :: c |"D" d2 fa"C" gfec | 
"D" defg abaf | d2 fa"C" gfga |"Am" be (3dfd beef |"D" d2 fa"C" gfec |"D" defg abaf | 
 d2 fa"C" gfga |"Am" fage"D" fdA :| B |"C" =cedA"G/B" BdBG |"Am" Adcd"G/B" fdAF | 
"D"{DE} D2 FA GFEd |"C" =cE (3EEE"Am" cEEd |"C" (3=cdc ca"G/B" B2 BG |"Am"{B} A2 Ad"G/B" AGFE | 
"D" (3DED FA"G" GFEc |"D" dD (3DDD dDDB |"C" [E=c]2 cA"G/B" [DB]2 BG |"Am" A2 Ad"G/B" AGFE | 
"D"{DE} D2 FA"G" GFEd |"C" =cE (3EEE"Am" cEEd |"C" =cecA"G/B" BdBG |"Am" Adcd"D" fdAF | 
 (3DED FA"G" GFEc |"D" dD (3DDD dDD ||  