Jon Gade Nørgaard (born 9 June 1985 in Grenå, Denmark) is a Danish singer who took part in Danish TV 2's musical competition Popstars in 2002 and winning the title. He is also known as Jon and took the alias John Rock while collaborating with house music duo Musikk.　　 　　In 2003, Nørgaard released his debut album This Side Up written by Søren Rasted. The album sold 135,000 copies and resulted in two successful singles "Right Here Next to You" and "This Side Up". The album was also reissued in an international edition in 2003. 　　In November 2003, Jon was sentenced to 60 days imprisonment and 60 days community service for assault a former friend who had insulted his girlfriend. The individual suffered a broken nose and other face injuries. 　　In 2004, under the alias John Rock, he began in 2004 in a successful collaboration with house duo Musikk with a number of #1 singles on the Danish Dance Chart. Among the hits was a cover version of Climie Fishers "Love Changes (Everything)". The singles went to in 13 countries (including Mexico, Greece and Bulgaria). In 2005, he took part in Musikk's album When the Musikk Starts to Play 　　In 2005, Jon returned as a solo artist with the single "Popstar" which was written by Swedish singer Robyn. That same year he released his second solo studio album Today is a Good Day (To Fall in Love). 　　He released his solo Danish language single in May 2007, entitled "Lidt endnu" (meaning Just yet) In August 2007 landed a job as a radio host on commercial station Radio ABC in the program Mads og Jon 　　In 2009, his management company IDOLINC released Remady P&R's "No Superstar" throughout Scandinavia. 　　In 2010 Jon returned to the scene appearing in Kato's hit single "Turn the Lights Off" as one of two tracks from Kato's album Discolized. He also collaborated with Clemens in the hit "Champion" reaching the top of the Danish Singles Chart. 　　In March 2011 Jon released "Dine Øjne" reaching number 14 on the Danish Singles Chart. In June 2011 he released "Fester Kun Med Mig Selv" reaching number 39 on the Danish Singles Chart. He features in the single "Vi Ejer Natten" with Clemens and Hedegaard, which was released in December 2011. He released his third studio album Uden dig on 21 February 2012.