It hasn't even officially premiered, but a bizarre music video by two Norwegian brothers is taking the internet by storm.
Going by the name Ylvis, Bård Ylvisåker and Vegard Ylvisåker are the hosts of a TV variety show in their home country.
Their music video The Fox is spreading like wildfire, and although only released two days ago, Gawker has already called it the song of the summer (never mind that it is already September).
Its rapid rise reminds of Psy, who also was an established performer in his native South Korea before breaking YouTube records with Gangnam Style.
It might be a bit early to call Ylvis the next Psy but at least for the day The Fox is the most talked about clip on the internet.
And for those looking for the answer, here it is, from Wikipedia: