ArduinoBasics - 9. Smoke on the water

const int buzzer = 11;
const int button = 6;
bool isPressed;
// Hertz of each note
int G = 196;
int B = 235;    // Yfesi
int C = 262;
int D = 276;    // Yfesi
// Times
int miso = 1200;
int tetarto = 600;
int ogdoo = 300;
int pause = 50;

void setup()
{
  Serial.begin(9600);
  pinMode(button, INPUT);
}

void loop()
{
  isPressed = digitalRead(button);
  if(isPressed == true){
    Serial.println("Button is pressed. Music is ready");
    // 1st part
    tone(buzzer, G);
    delay(tetarto);
    tone(buzzer, B);
    delay(tetarto);
    tone(buzzer, C);
    delay(1.5 * tetarto);
    // 2nd part
    tone(buzzer, G);
    delay(tetarto);
    tone(buzzer, B);
    delay(tetarto);
    tone(buzzer, D);
    delay(ogdoo);
    tone(buzzer, C);
    delay(miso);
    // 3rd part
    tone(buzzer, G);
    delay(tetarto);
    tone(buzzer, B);
    delay(tetarto);
    tone(buzzer, C);
    delay(1.5 * tetarto);
    // 4th part
    tone(buzzer, B);
    delay(tetarto);
    tone(buzzer, G);
    delay(miso);
    noTone(buzzer);
  }
}