// iterate over the notes of the melody.

// Remember, the array is twice the number of notes (notes + durations)

for (int thisNote = 0; thisNote < notes * 2; thisNote = thisNote + 2) {

// calculates the duration of each note

divider = melody[thisNote + 1];

if (divider > 0) {

// regular note, just proceed

noteDuration = (wholenote) / divider;

} else if (divider < 0) {

// dotted notes are represented with negative durations!!

noteDuration = (wholenote) / abs(divider);

noteDuration *= 1.5; // increases the duration in half for dotted notes

}

// we only play the note for 90% of the duration, leaving 10% as a pause

tone(buzzer, melody[thisNote], noteDuration * 0.9);

// Wait for the specief duration before playing the next note.

delay(noteDuration);

// stop the waveform generation before the next note.

noTone(buzzer);

}