teri meri songs tone using arduino with circuit diagram and code

Teri meri Arduino code.

Arduino code,
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// Teri Meri Meri Teri Prem Kahani by "Future Technology RC"
int BuzzerPin = 9; //buzzer is connected to Pin 9 of the Board.
int LEDPin = 10;
int length = 100; // the number of notes
char notes[] = "DAGAFGAFGAGFEDEDC DEFEFEGAGFEDD DAGAFGAFGAGFEDEDC DEFEFEGAGFEDD DAGAFGAFGAGFEDEDC DEFEFEGAGFEDD "; // a space represents a rest
int beats[] = { 2,1,2,1,2,1,2,1,2,2,1,1,2,2,1,1,1,1,2,1,2,1,1,2,2,2,1,2,2,2,1,1,2,2,1,2,2,2,1,2,2,2,2,1,2,2,1,2,1,1,2,1,2,1,2,2,1,2,2,2,1,2,1,1,2,1,2,1,2,1,2,2,1,1,2,2,1,1,1,2,1,2,1,1,2,2,2,1,2,2,2,1,2,2,2,1,2,2,2,1, };//Duration of each note
int tempo = 300; //Change song speed here

void playTone(int tone, int duration) {  //creating a square wave for the given duration
  for (long i = 0; i < duration * 1000L; i += tone * 2) {
    digitalWrite(BuzzerPin, HIGH); 
    digitalWrite(LEDPin, HIGH);
    delayMicroseconds(tone);
    digitalWrite(BuzzerPin, LOW);
    digitalWrite(LEDPin, LOW);
    delayMicroseconds(tone);
  }
}

void playNote(char note, int duration) { //Assigning high time for the notes
  char names[] = { 'C', 'D', 'E', 'F', 'G', 'A', 'B', 'C' };
  int tones[] = { 956, 851, 758, 716, 638, 568, 1014, 478 };

  // play the tone corresponding to the note name
  for (int i = 0; i < 8; i++)
  {
    if (names[i] == note)
    {
      playTone(tones[i], duration);
    }
  }
}

void setup()
{
  pinMode(BuzzerPin, OUTPUT); // Setting pin 9 as an OutPut Pin
   pinMode(LEDPin, OUTPUT);
}

void loop() {  //Main function
  for (int i = 0; i < length; i++) {  //For the length of the tune array
    if (notes[i] == ' ') {  //take space as rest
      delay(beats[i] * tempo); // rest
    } else {
      playNote(notes[i], beats[i] * tempo); //play the corresponding note for the corresponding beat
    }

    // pause between notes
    delay(tempo / 2);
  }
}