Внизу тэга head есть <script>, в котором старая функция play(). Вот вместо нее надо вставить это.

daily-geek-show-fix.js

// Убираем старый обработчик нажатий
var forEach = Array.prototype.forEach;
forEach.call(document.getElementsByClassName('glyphicon-volume-up'),
    removeAllEventListeners);

function play(e) {
  if (!e) {
    return;
  }
  var target = e.target;
  var audio = iterateChildren(target.firstChild, isAudio);

  if (!audio) {
    return;
  }

  addEvent(audio, 'ended', function () {
    target.style.backgroundColor = 'white';
    target.style.color = '#333333';
    audio.currentTime = 0;
  });

  if (audio.paused) {
    audio.play();
    target.style.backgroundColor = '#333333';
    target.style.color = 'white';
  } else {
    audio.pause();
    target.style.backgroundColor = 'white';
    target.style.color = '#333333';

  }
}

function removeAllEventListeners(el) {
  var elClone = el.cloneNode(true);
  el.parentNode.replaceChild(elClone, el);
  elClone.style.cursor = 'pointer';
  elClone.style.padding = '0.2em';
  elClone.style.marginLeft = '-.3em';
  elClone.style.borderRadius = '50%';
  addEvent(elClone, 'click', play);
}

// add event cross browser
function addEvent(elem, event, fn) {
  if (elem.addEventListener) {
    elem.addEventListener(event, fn, false);
  } else {
    elem.attachEvent("on" + event, function () {
      // set the this pointer same as addEventListener when fn is called
      return (fn.call(elem, window.event));
    });
  }
}

function iterateChildren(el, fn) {
  while (el) {
    if (fn(el)) return el;
    el = el.nextSibling;
  }
}

function predicate(el, tagName) {
  return el.tagName && el.tagName.toLowerCase() === tagName;
}

function isAudio(el) {
  return predicate(el, 'audio');
}