Germany participated in and won the Eurovision Song Contest 2010 with the song "Satellite" written by Julie Frost and John Gordon. The song was performed by Lena. The German entry for the 2010 contest in Oslo, Norway was selected through the national final Unser Star für Oslo, organised by the German broadcaster ARD in collaboration with Norddeutscher Rundfunk (NDR) and private broadcaster ProSieben. The national final featured 20 competing artists and consisted of five heats, a quarter-final, a semi-final and a final held in February and March 2010. Contestants were selected to advance in the competition via public televote. Two contestants qualified to compete in the final where the winner was selected over two rounds of voting. "Satellite" performed by Lena was selected as the German entry for Oslo after placing among the top two during the first round of voting and ultimately gaining the most votes in the second round.