У вашего броузера проблема в совместимости с HTML5
Well, it's been awhile since I extended a remix, so I'd figure I'd make this. As for my opinion on the remix...
Just listen to it.
This remix was made by GlitcxhCity. I had no part in making it, only extending.
GlitchxCity's channel: https://www.youtube.com/user/GlitchxCity