int switchstat;
int pos = 0;

void setup()
{ 
  pinMode(2, INPUT);
  pinMode(8, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(7, OUTPUT);
}

void loop()
{ switchstat = digitalRead(2);
  if (switchstat == LOW ) {
   // turn off tone function for pin 8:
  noTone(8);
  // play a note on pin 6 for 200 ms:
  digitalWrite (5, HIGH);
  delay(200);
  digitalWrite (5, LOW);
  delay(200); 
  tone(7, 988, 300); // play tone 71 (B5 = 988 Hz)
  delay(200); // Wait for 500 millisecond(s)
  // turn off tone function for pin 7:
  noTone(7);
  // play a note on pin 8 for 300 ms:
  tone(8, 1047, 300); // play tone 72 (C6 = 1047 Hz)
  delay(200); // Wait for 300 millisecond(s)
}}