Develop harmonious chord sequences to improve the overall sound of the piece.
F2 F (FE)D | B2 G F2 D | E2 E (ED)C | F2 E D2 z | F2 F (FE)D | B2 G F2 D | 
 G2 G F2 B | D2 C B,2 z || B2 B (BA)G | F2 G F2 D | B2 B (BA)G | 
 A2"^(C7)" G"^(F)" F2"^(F7)" z | F2 F (FE)D | B2 G F2 D | G2 G F2 B | 
 D2 C B,2 z |]  
X:1
L:1/8
Q:1/4=90
M:4/4
K:Bb
"Bb" F2 F (FE)D | B2 G F2 D |"F7" E2 E (ED)C | F2 E"Bb" D2 z | F2 F (FE)D | B2 G F2 D | 
"Eb" G2 G"Bb" F2 B |"Bb/F" D2"F7" C"Bb" B,2 z ||"Bb" B2 B (BA)G | F2 G F2 D |"Gm" B2 B (BA)G | 
"F" A2"^(C7)" G"^(F)" F2"^(F7)" z |"Bb" F2 F (FE)D | B2 G F2 D |"Eb" G2 G"Bb" F2 B | 
"Bb/F" D2"F7" C"Bb" B,2 z |]  