Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
E | FDD ADD | dcd"^(A)" A2 G | FDD ADD | EFG EFG | FDD ADD | dcd"^(A)" A2 G | 
 FAA EFG | FDD D2 :: E | (F{G}F{E}F) AFD | GFG d2 G | F3 AFD | EFG EFG | 
 F3 AFD | GFG d2 G | F3 EFG | FDD D2 :|  
X:1
L:1/8
M:6/8
K:D
 E |"D" FDD ADD |"D" dcd"^(A)" A2 G |"D" FDD ADD |"A" EFG EFG |"D" FDD ADD |"D" dcd"^(A)" A2 G | 
"D" FAA"A" EFG |"D" FDD D2 :: E |"D" (F{G}F{E}F) AFD |"G" GFG d2 G |"D" F3 AFD |"A" EFG EFG | 
"D" F3 AFD |"G" GFG d2 G |"D" F3"A" EFG |"D" FDD D2 :|  