Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
FG | ABAG FAde | fefe d3 A |1,3 BdBA GABc | dedB A2 FG :|2,4 BccA BAcA | 
 d3 c d2 :: cd | edcd e2 fg | aefe d3 A |1,3 BdBA GABc | dedB A2 cd :|2,4 
 BccA BAcA ||1 d3 c d2 :|  
X:1
L:1/8
M:2/2
K:D
 FG |"D" ABAG FAde | fefe d3 A |1,3"G" BdBA GABc | dedB"D" A2 FG :|2,4"G" BccA"A" BAcA | 
"D" d3 c d2 :: cd |"A" edcd e2 fg |"D" aefe d3 A |1,3"G" BdBA GABc | dedB"D" A2 cd :|2,4 
"G" BccA"A" BAcA ||1"D" d3 c d2 :|  