text: var audioPlayers = document.querySelectorAll(`audio`),
  	audioButtonsPlay = document.querySelectorAll(`[data-play]`),
  	audioButtonsPause = document.querySelectorAll(`[data-pause]`),
  	audioVolumeControls = document.querySelectorAll(`input[type="range"]`),
  	audioVolume,
  	audio,
  	dataID,
  	pause,
  	play,
  	pauseMaster = document.getElementById(`pauseMaster`),
  	playMaster = document.getElementById(`playMaster`),
  	increaseMaster = document.getElementById(`increaseMaster`),
  	masterMute = document.getElementById(`muteMaster`);
  
  audioPlayers.forEach(function (el) {
  	el.volume = 0.5;
  });
  
  audioButtonsPlay.forEach(function (e) {
  	e.addEventListener("click", function (ev) {
  		dataID = e.getAttribute('data-play');
  		e.classList.add('display--none');
  		pause = document.querySelector(`[data-pause="${dataID}"]`);
  		pause.classList.remove('display--none');
  		audio = document.querySelector(`[data-audio="${dataID}"]`);
  		audio.play();
  	});
  });
  
  audioButtonsPause.forEach(function (e) {
  	e.addEventListener("click", function (ev) {
  		dataID = e.getAttribute('data-pause');
  		e.classList.add('display--none');
  		play = document.querySelector(`[data-play="${dataID}"]`);
  		play.classList.remove('display--none');
  		audio = document.querySelector(`[data-audio="${dataID}"]`);
  		audio.pause();
  	});
  });
  
  audioVolumeControls.forEach(function (e) {
  	e.addEventListener("input", function (ev) {
  		dataID = e.getAttribute('data-volume');
  		audioVolume = e.value / 100;
  		audio = document.querySelector(`[data-audio="${dataID}"]`);
  		audio.volume = audioVolume;
  	});
  });
  
  playMaster.addEventListener("click", function (e) {
  	audioPlayers.forEach(function (el) {
  		el.play();
  	});
  
  	playMaster.classList.add("display--none");
  	pauseMaster.classList.remove("display--none");
  
  	audioButtonsPlay.forEach(function (el) {
  		el.classList.add('display--none');
  	});
  	audioButtonsPause.forEach(function (el) {
  		el.classList.remove('display--none');
  	});
  });
  
  pauseMaster.addEventListener("click", function (e) {
  	audioPlayers.forEach(function (el) {
  		el.pause();
  	});
  
  	pauseMaster.classList.add("display--none");
  	playMaster.classList.remove("display--none");
  
  	audioButtonsPause.forEach(function (el) {
  		el.classList.add('display--none');
  	});
  	audioButtonsPlay.forEach(function (el) {
  		el.classList.remove('display--none');
  	});
  });
  
  masterMute.addEventListener("click", function (e) {
  	audioPlayers.forEach(function (el) {
  		if (el.muted === false) {
  			el.muted = true;
  		} else {
  			el.muted = false;
  		}
  	});
  });
  
  increaseMaster.addEventListener("click", function (e) {
  	audioPlayers.forEach(function (el) {
  		el.volume = el.volume + 0.1;
  	});
  });