Develop well-balanced harmonic arrangements to enrich the provided music piece.
|: FG | BFDF BFDF | BABc dcde | fcAc fcAc | f=efg f_edc | BFDF BFDF | BABc dcde | 
 fgag fedc | B2 d2 B2 :: ba | geBG EGBg | fdBF DFBf | eAgf eAgf | 
 dBgf dBba | geBG EGBg | fdBF DFBf | =efag f_edc | B2 d2 B2 :|  
X:1
L:1/8
M:4/4
K:Bb
|: FG |"Bb" BFDF BFDF | BABc dcde |"F" fcAc fcAc | f=efg f_edc |"Bb" BFDF BFDF | BABc dcde | 
"F" fgag fedc |"Bb" B2 d2 B2 :: ba |"Cm" geBG"Eb" EGBg |"Bb" fdBF DFBf |"F" eAgf eAgf | 
"Bb" dBgf dBba |"Cm" geBG"Eb" EGBg |"Bb" fdBF"Gm" DFBf |"F" =efag f_edc |"Bb" B2 d2 B2 :|  