Design chord combinations to enhance the harmony of the given musical composition.
|: DEFG E4 | DEFG EG=BG :| | F3 D E4 | DFED CA, A,2 | 
 F3 D E3 F | GAGE (3FED D2 | F3 D E4 | DFED CA, A,2 | 
 F3 D E3 F | GAGE (3FED D2 | C2 AG G4 | AG^FA G4 | ECDG, C3 C | 
 =B,CDE A,D D2 | C2 AG G4 | AG^FA G4 | ECDG, C3 C | =B,CDE A,CEC |: 
 DEFG E4 | DEFG EG=BG :: D2 AG EG G2 | A2 GA cAGE | 
 D2 AG EG G2 | A2 GE ED D2 | D2 AG EG G2 | A2 GA cAGE | 
 D2 AG EG G2 | A2 GE ED D2 | EGA=B c2 =BG | Adde f2 ed | 
 cAGE F3 G | AcGE ED D2 | EGA=B cEGc | ^FAde =f2 ed | 
 cAGE F3 G | (3A=Bc (3Bcd cAGE :|  
X:1
L:1/8
M:4/4
K:Dmin
 |:"Dm" DEFG"Am" E4 |"Dm" DEFG"Am" EG=BG :| |"Dm" F3 D"Am" E4 |"Dm" DFED"Am" CA, A,2 | 
"Dm" F3 D"Am" E3 F |"C" GAGE"Am" (3FED D2 |"Dm" F3 D"Am" E4 |"Dm" DFED"Am" CA, A,2 | 
"Dm" F3 D"Am" E3 F |"C" GAGE"G" (3FED D2 |"C" C2 AG G4 |"D" AG^FA"Gm" G4 |"C" ECDG,"Am" C3 C | 
"G" =B,CDE A,D D2 |"C" C2 AG G4 |"D" AG^FA"Gm" G4 |"C" ECDG,"Am" C3 C |"G" =B,CDE"Am" A,CEC |: 
"Dm" DEFG"Am" E4 |"Dm" DEFG"Am" EG=BG ::"Dm" D2 AG"C" EG G2 |"Dm" A2 GA"Am" cAGE | 
"Dm" D2 AG"C" EG G2 |"Am" A2 GE"C" ED D2 |"Dm" D2 AG"C" EG G2 |"Dm" A2 GA"Am" cAGE | 
"Dm" D2 AG"C" EG G2 |"Am" A2 GE"G" ED D2 |"C" EGA=B c2 =BG |"Dm" Adde"Bbm7" f2 ed | 
"Am7" cAGE"Am" F3 G |"C" AcGE"G" ED D2 |"C" EGA=B cEGc |"Dm" ^FAde"Bbm7" =f2 ed | 
"Am7" cAGE"Am" F3 G |"C" (3A=Bc (3Bcd"Am" cAGE :|  