Build harmonic accompaniment for the existing melody.
K:C] G/F/ |: EF ^FG | e2 z e/f/ | ed z d/e/ | dc z G/F/ | EF ^FG | e2 z e/f/ | 
 ed A/B/e/d/ |1 cc cG/F/ :|2 cc c z |: Gf/e/ dG/G/ | Ge/d/ cG/G/ | AG/G/ Bd | 
 AG/G/ ce | Gf/e/ dG/G/ | Ge/d/ c2 | B>A G/F/E/D/ |1 CC C z :|2 CC Cc/c/ || 
[K:F] c2 Af | e2 z d/^c/ | d2 z c/B/ | c2 A2 | c !>!A2 f | f !>!e2 d | 
 d !>!c2 B | BA AF | c2 Af | e2 z d/^c/ | d2 z c/B/ | c2 A2 | cA/A/ Af | 
 fG/G/ Gd | e>d c/B/A/G/ | Ff f z |  
X:1
L:1/8
M:2/4
K:none
[K:C] G/F/ |:"C" EF ^FG | e2 z e/f/ |"G7" ed z d/e/ |"C" dc z G/F/ | EF ^FG | e2 z e/f/ | 
"G7" ed A/B/e/d/ |1"C" cc cG/F/ :|2"C" cc c z |:"G7" Gf/e/ dG/G/ |"C" Ge/d/ cG/G/ |"G7" AG/G/ Bd | 
"C" AG/G/ ce |"G7" Gf/e/ dG/G/ |"C" Ge/d/ c2 |"G7" B>A G/F/E/D/ |1"C" CC C z :|2"C" CC Cc/c/ || 
[K:F]"F" c2 Af |"C7" e2 z d/^c/ |"Bb" d2 z c/B/ |"F" c2 A2 | c !>!A2 f |"C7" f !>!e2 d | 
 d !>!c2 B |"F" BA AF | c2 Af |"C7" e2 z d/^c/ |"Bb" d2 z c/B/ |"F" c2 A2 | cA/A/ Af | 
"Gm/Bb" fG/G/ Gd |"C7" e>d c/B/A/G/ |"F" Ff f z |]  