Jonas Erik Altberg, better known by his stage name Basshunter, is a Swedish singer-songwriter, record producer, and DJ. He is best known for his number one hits "Boten Anna", "Vi sitter i Ventrilo och spelar DotA", "Now You're Gone" and "All I Ever Wanted". Basshunter has so far released a total of six albums, two of which have been released in the United Kingdom. His UK single, "Saturday", was released in July 2010, and he also competed in hit reality TV show Celebrity Big Brother in January 2010. His song "Sverige" was also used as Sjölunden's International Day song in 2008.