​

let song

​

function preload() {

  song = loadSound('data/Someday.mp3');

}

​

function setup() {

  createCanvas(400, 400);

  song.play();

}

​

function draw() {

  background(220);

}

​

function mousePressed() {

  if (song.isPlaying()) {

    song.stop();

  } else {

    song.play();

  }

}