Career

He got a radio hit in Sweden with his first single "Do what you"re told". Karlsson was born in Morgongåvirginia He competed in the Swedish Melodifestivalen 2007 with the song "When the Night Comes Falling" for the opportunity to represent Sweden in the Eurovision Song Contest 2007 in Helsinki, Finland, finished 8th in the final.

He returned to Melodifestivalen in 2011 with the song "Number One Else Could", finishing 5th in the third semi-final.