YouTube lockscreen audio

Check out the video to see how it works: does: - Music mode everywhere - No download no extension needed - Works on YouTube and the rest - Save bandwidth - Background play - YT background play - YT lock screen play Controls - Turn on visualizations (the "Visu" button) - just a Black screen ("Black"). - right-click/long-tap to get a context menu to go full-screen, as well as show or hide the controls. If sound doesn't work try reloading the page and bashing on the screen / mouse. Usually works