 Additionally, on 11 June 2009 Hauser launched his channel on YouTube, which has since reached over 270 million views as of May 2020.In January 2011, Hauser, along with friend and fellow cellist Luka Šulić, performed a cover of Michael Jackson's "Smooth Criminal" which was played solely on cello.In just a few days, the music video for this cover became a YouTube sensation.