Build a series of chord progressions that fit well with the existing melody.
"^Voorspel" DE FG | A>G A/G/F | GE D2 |]"^A" DE FG | A>G A/G/F | G>F G/F/E | 
 DE FG | A>G A/G/F | GE D2 :|"^B" AB cd | e>d c/B/A | dc BA | B>A ^G/F/E | 
 Ac B^G | A4 :|  
X:1
L:1/8
M:2/4
K:Amin
"^Voorspel""Dm" DE FG | A>G A/G/F |"A7" GE"Dm" D2 |]"^A""Dm" DE FG | A>G A/G/F |"A7" G>F G/F/E | 
"Dm" DE FG | A>G A/G/F |"A7" GE"Dm" D2 :|"^B""Am" AB cd | e>d c/B/A |"Dm" dc BA |"E7" B>A ^G/F/E | 
"Am" Ac"E7" B^G |"Dm" A4 :|  