void setup() {
pinMode(11,OUTPUT);
pinMode(10, OUTPUT);
pinMode(9, OUTPUT);
pinMode(8, OUTPUT);
}

void loop() {
tone(8,2500,1000); 
analogWrite(11,0);
analogWrite(10,0);
analogWrite(9,255);
delay(1000);

tone(8,2700,1000);
analogWrite(11,0);
analogWrite(10,102);
analogWrite(9,255);
delay(1000);

tone(8,2900,1000);
analogWrite(11,0);
analogWrite(10,255);
analogWrite(9,255);
delay(1000);

tone(8,3100,1000);
analogWrite(11,0);
analogWrite(10,255);
analogWrite(9,0);
delay(1000);

tone(8,3300,1000);
analogWrite(11,255);
analogWrite(10,255);
analogWrite(9,0);
delay(1000);

tone(8,3500,1000);
analogWrite(11,255);
analogWrite(10,0);
analogWrite(9,0);
delay(1000);


analogWrite(11,102);
analogWrite(10,0);
analogWrite(9,102);
tone(8,3700,1000);
delay(1000);
}