On 3 September 2013, they uploaded a music video called "The Fox" to YouTube, which went viral, with over 26 million views as of 14 September 2013.
On 3 September 2013, they uploaded a music video called "The Fox" to YouTube as a promotion for the third season of "I kveld med Ylvis". The video went went viral, with over 27 million views as of 14 September 2013.