var button;

​

function setup() {

  createCanvas(400, 400);

  button=createButton("play");

  button.mousePressed(toggleplaying);

}

​

function preload() {

  // Load all the sounds

  for (let i = 0; i < 7; i++) {

    sounds.push(loadSound("data/" + i + ".mp3"));

  }

}

​

​

​

function toggleplaying(){

  if(!song.isPlaying()){

    song.play();

    song.setVolume(0.5);

    button.html("stop");

  }else{

    song.pause();

    button.html("play");

  }

}