Construct congruent chords that enhance the existing musical piece.
|: D2 | EBef gfeB | E2 E2 E2 ED | EBef gfed | BddB dBAF | EBef gfeB | E2 E2 E2 ED | 
 EGFE DB,GF | E6 :: G2 | BedB AcBA | cBAG E2 AB | cBAG EDCB, | 
 D4 G2 F2 | BedB AcBA | cBAG E2 A2 | BedB AGFD | E6 :|  
X:1
L:1/8
M:4/4
K:Emin
|: D2 |"Em" EBef gfeB | E2 E2 E2 ED | EBef gfed |"D" BddB"C" dBAF |"Em" EBef gfeB | E2 E2 E2 ED | 
"C" EGFE"D" DB,GF |"Em" E6 :: G2 |"G" BedB"D" AcBA |"C" cBAG"Em" E2 AB |"C" cBAG"Em" EDCB, | 
"D" D4 G2 F2 |"G" BedB"D" AcBA |"C" cBAG"Em" E2 A2 |"Am" BedB"D" AGFD |"Em" E6 :|  