​

function preload(){

  song = loadSound('1.mp3');

}

​

function setup() {

  createCanvas(400, 400);

  // song.play();

}

​

function mousePressed(){

  if (song.isPlaying()){

    song.stop();

  }

  else {

    song.play();

  }

}

function draw() {

  background(220);

}