Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
D(=F | ^F)ABF A2 D(=F | ^F)ABF d2 D(=F | ^F)ABF ABAF | 
 EDEF D2 D(=F | ^F)ABF A2 D(=F | ^F)ABF d2 D(=F | ^F)ABF ABAF | 
 EDEF D2 DE | =FEFE DB,DE | =FEFE DB,D(F | ^F)ABF ABAF | A4- A2 DE | 
 =FEFE DB,DE | =FEFE DB,D(F | ^F)ABF dBAF | E4- E2 |]  
X:1
L:1/8
M:2/2
K:D
 D(=F |"D7" ^F)ABF"Bdim7" A2 D(=F |"D7" ^F)ABF"Bdim/F" d2 D(=F |"D7" ^F)ABF"Bdim7" ABAF | 
"A7" EDEF"D7" D2 D(=F |"D7" ^F)ABF"Bdim" A2 D(=F |"D7" ^F)ABF"G7" d2 D(=F |"D" ^F)ABF"F#m7" ABAF | 
"A7" EDEF"D7" D2 DE |"G7" =FEFE DB,DE | =FEFE DB,D(F |"D7" ^F)ABF ABAF |"D" A4- A2 DE | 
"G7" =FEFE DB,DE | =FEFE DB,D(F |"D7" ^F)ABF dBAF |"A7" E4- E2 |]  