​

function preload(){

  song= loadSound('0.mp3');

}

function setup() {

  createCanvas(400, 400);

  //song.playMode('untilDone');

  //song.play();

}

​

function draw() {

  background(220);

  // song.play();

}

​

function mousePressed(){

  if (song. isPlaying()){

    song.stop();

  }

  else{

    song.play();

  }

}