Jesus Christ Is Risen Today

 #include "pitches.h"

// notes in the melody: 0, = REST
int melody[] = {
  NOTE_D4, NOTE_FS4, NOTE_A5, NOTE_D4,
  NOTE_G4, NOTE_B5, NOTE_B5, NOTE_A5,
  NOTE_FS4, NOTE_G4, NOTE_A5, NOTE_D4,
  NOTE_G4, NOTE_FS4, NOTE_G4, NOTE_FS4,
  NOTE_E4, NOTE_D4,

  NOTE_G4, NOTE_A5, NOTE_B5, NOTE_A5,
  NOTE_G4, NOTE_FS4, NOTE_FS4, NOTE_E4,
  NOTE_FS4, NOTE_G4, NOTE_A5, NOTE_D4, NOTE_G4, NOTE_FS4, NOTE_G4,
  NOTE_FS4, NOTE_E4, NOTE_D4,

  NOTE_CS5, NOTE_D5, NOTE_E5, NOTE_A4,
  NOTE_D5, NOTE_E5, NOTE_FS5,
  NOTE_CS5, NOTE_D5, NOTE_E5, NOTE_A4, NOTE_D5, NOTE_CS5, NOTE_D5,
  NOTE_CS5, NOTE_B4, NOTE_A4,

  NOTE_A4, NOTE_C5, NOTE_D5, NOTE_FS4,
  NOTE_G4, NOTE_B4, NOTE_B4, NOTE_A4,
  NOTE_D5, NOTE_C5, NOTE_D5, NOTE_A4, NOTE_B4, NOTE_C5, NOTE_D5, NOTE_E5,
  NOTE_D5, NOTE_C5, NOTE_D5
};

// note durations: 4 = quarter note, 8 = eighth note, etc.:
int noteDurations[] = {
  4, 4, 4, 4, /**/ 4, 4, 4, 4, /**/ 8, 8, 8, 8, 4, 8, 8,/**/ 4, 4, 2,

  4, 4, 4, 4, /**/ 4, 4, 4, 4, /**/ 8, 8, 8, 8, 4, 8, 8,/**/ 4, 4, 2,

  4, 4, 4, 4, /**/ 4, 4, 2, /**/ 8, 8, 8, 8, 4, 8, 8, /**/ 4, 4, 2,

  4, 4, 4, 4, /**/ 4, 4, 4, 4, /**/ 8, 8, 8, 8, 8, 8, 8, 8, /**/ 4, 4, 2
};

void setup() {
  int numSize = 0; //this tells us the size of a int
  int numNotes = sizeof(noteDurations)/sizeof(numSize);
  // iterate over the notes of the melody:
  for (int thisNote = 0; thisNote < numNotes; thisNote++) {

    // to calculate the note duration, take one second
    // divided by the note type.
    //e.g. quarter note = 1000 / 4, eighth note = 1000/8, etc.
    int noteDuration = 1000/noteDurations[thisNote];
    tone(8, melody[thisNote],noteDuration);

    // to distinguish the notes, set a minimum time between them.
    // the note's duration + 30% seems to work well:
    int pauseBetweenNotes = noteDuration * 1.30;
    delay(pauseBetweenNotes);
    // stop the tone playing:
    noTone(8);
  }
}

void loop() {
  // no need to repeat the hymn.
}