int note = 100;
int beat = 50;
int length = 10;
int pin = 9;

void setup() {
  pinMode(pin, OUTPUT);
}

void loop() {
  note= analogRead(0);
  length= analogRead(1);
  beat= analogRead(2);
  tone (pin,note);
  delay(length);
  noTone (pin);
  delay(beat);
   }