Develop harmonious chord sequences that enhance the given music composition.
uA | vB2 udvB fBdB | B2 fB"^0" AFF"^0^0"A | B2 dB fBdB | 
 B2 fB"^0" AFF"^0^4^0" AFF"^0"A | 
 DB^FG BG"^4^1" (G"^3"=f) |"^1" (d"^4"g)"^4"(g"^1"a)"^3" b"^4"g"^1"a"^3"f | 
"^2" (c"^1"f)(fg) afcf | dgbgfbdB | Ad(D^F) (3GGG G ||  
X:1
L:1/8
M:2/2
K:Bb
 uA | vB2 udvB fBdB | B2 fB"^0" AFF"^0"A | B2 df bfdB | AdD^F (3GGG G"^0"A | B2 dB fBdB | 
 B2 fB"^0" AFF"^0"A | B2 df bfdB | AdD^F (3GGG G || uF | vDB^FG BG"^4"A=F | CF=EF"^0" AFF"^0"A | 
 DB^FG BG"^4"A=F | AdD^F G2"^1" (G"^3"=f) |"^1" (d"^4"g)"^4"(g"^1"a)"^3" b"^4"g"^1"a"^3"f | 
"^2" (c"^1"f)(fg) afcf | dgbgfbdB | Ad(D^F) (3GGG G ||  