Construct a compatible series of chord changes that support the given music piece.
"^Brightly." F | B>AB c>de | d B2- B2 d/e/ | f>gf A2 B | c3- c2 F | 
 B>AB f>gf | gab a>gf | (gc)f f2 =e | f3- f2 :: f | 
 f>gf g2 a | b d2- d2 d | e>fe dec | g3- g2 f | 
 efd (cd)B | (AB)G F2 a | g/a/bG A2 B | B3- B2 :|  
X:1
L:1/8
Q:1/4=120
M:6/8
K:Bb
"^Brightly." F"A" |"Bb" B>AB"F" c>de |"Bb" d B2- B2 d/e/ |"Bb" f>gf"F" A2 B |"Cm" c3-"F" c2 F | 
"Bb" B>AB"F" f>gf |"Gm" gab"F" a>gf |"C" (gc)"F"f"Bb" f2"C" =e |"F" f3- f2 :: f"B" | 
"F" f>gf"Cm" g2 a |"Gm" b d2- d2 d |"Cm" e>fe"Gm" dec |"Eb" g3-"F" g2 f | 
"Eb" ef"Bb"d"F" (cd)"Gm"B |"C" (AB)"C7"G"Dm" F2 a |"Gm" g/a/bG"F7" A2 B |"Bb" B3- B2 :|  