Ensure you are using Google Chrome on a computer. On the top left of your screen next to the URL, please go into your site settings, and set the following features to "allow":

Images, Javascript, Popups/Redirects, Background Sync, Sound (make sure this is set to allow, not "automatic"), Automatic Downloads, and Window Managment. Above site settings, also enable third party cookies. The site needs these features to work properly.

Then, reload the page. To ensure your audio works, use the button provided below.