//pins

int led1 = 1;
int led2 = 2;
int led3 = 3;
int led4 = 4;
int led5 = 5;
int led6 = 6;
int led7 = 7;
int led8 = 8;
int led9 = 9;
int led10 = 10;

int ledPin[] = {1,2,3,4,5,6,7,8,9,10};

const int delaytime = 600;
const int numLeds = 10;

void setup() {
  pinMode(led1,OUTPUT);
  pinMode(led2,OUTPUT);
  pinMode(led3,OUTPUT);
  pinMode(led4,OUTPUT);
  pinMode(led5,OUTPUT);
  pinMode(led6,OUTPUT);
  pinMode(led7,OUTPUT);
  pinMode(led8,OUTPUT);
  pinMode(led9,OUTPUT);
  pinMode(led10,OUTPUT);

  for (int i = 0; i < 10; i++){
    pinMode(ledPin[i],OUTPUT);
  }
}

void loop() {
                //Intro

  // YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);
    
    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

// YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);

    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

// YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);

    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

// YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

  for (int i = 0; i < 9; i++){
    digitalWrite(ledPin[i],1);
    delay(delaytime);
    digitalWrite(ledPin[i],0);
  }
  
  for (int i = numLeds - 1; i >= 0; i--){
    digitalWrite(ledPin[i],1);
    delay(delaytime);
    digitalWrite(ledPin[i],0);
  }

  // BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);
    
    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

  // YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);
    
    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

// YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);

    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

// YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);

    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

// YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

                                    //Verse 1
for (int i = 0; i < 9; i++){
    digitalWrite(ledPin[i],1);
    delay(delaytime);
    digitalWrite(ledPin[i],0);
  }
  
  for (int i = numLeds - 1; i >= 0; i--){
    digitalWrite(ledPin[i],1);
    delay(delaytime);
    digitalWrite(ledPin[i],0);

  }
// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);
    
    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

  // YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);
// BLUE LEDS  
    digitalWrite(led2, 1);
    digitalWrite(led4, 1);
    digitalWrite(led6, 1);
    digitalWrite(led8, 1);
    digitalWrite(led10, 1);

    delay(delaytime);
    
    digitalWrite(led2, 0);
    digitalWrite(led4, 0);
    digitalWrite(led6, 0);
    digitalWrite(led8, 0);
    digitalWrite(led10, 0);

  // YELLOW LEDS
    digitalWrite(led1, 1);
    digitalWrite(led3, 1);
    digitalWrite(led5, 1);
    digitalWrite(led7, 1);
    digitalWrite(led9, 1);

    delay(delaytime);
    
    digitalWrite(led1, 0);
    digitalWrite(led3, 0);
    digitalWrite(led5, 0);
    digitalWrite(led7, 0);
    digitalWrite(led9, 0);

for (int i = 0; i < 9; i++){
    digitalWrite(ledPin[i],1);
    delay(delaytime);
    digitalWrite(ledPin[i],0);
  }
  
  for (int i = numLeds - 1; i >= 0; i--){
    digitalWrite(ledPin[i],1);
    delay(delaytime);
    digitalWrite(ledPin[i],0);
  }
}