int SwitchState(0);
void setup(){
  pinMode(13, INPUT);
  digitalWrite(13, HIGH);
  pinMode(12, INPUT);
  digitalWrite(12, HIGH);
  pinMode(11, INPUT);
  digitalWrite(11, HIGH);
  pinMode(10, INPUT);
  digitalWrite(10, HIGH);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
}
void loop(){
   while(digitalRead(13) == LOW)
   {
    tone(9,210);
   }
   while(digitalRead(12) == LOW)
   {
    tone(9,190);
   }
   while(digitalRead(11) == LOW)
   {
    tone(9,160);
   }
   while(digitalRead(10) == LOW) 
   {
    tone(9,130);
   }
  noTone(9);
 SwitchState = digitalRead(13);
  if(SwitchState == LOW) {
  digitalWrite(7, HIGH);
  delay(200);
  digitalWrite(7, LOW);
  }
SwitchState = digitalRead(12);
  if(SwitchState == LOW) {
  digitalWrite(6, HIGH);
  delay(200);
  digitalWrite(6, LOW);
  }
SwitchState = digitalRead(11);
  if(SwitchState == LOW) {
  digitalWrite(5, HIGH);
  delay(200);
  digitalWrite(5, LOW);
  }
  SwitchState = digitalRead(10);
  if(SwitchState == LOW) {
  digitalWrite(4, HIGH);
  delay(200);
  digitalWrite(4, LOW);
  }

}