The single was released on 10 February 2012 in Sweden and on 11 June 2012 in Finland on digital download . On the day of its release in Sweden , Darin posted a teaser video of the song on his YouTube channel , with recordings from his latest trip to USA . Despite not having entered the Swedish Singles Chart , the single has sold over 20,000 copies in Sweden so far , being certified platinum in November 2012 . On 14 May 2013 the single was released throughout all Europe under the label Dex Music , along with " So Yours " . On 16 May Darin performed the two songs in a medley at the Eurovision Song Contest 2013 in Malmö , Sweden , as part of the interval act of the second semifinal . " Nobody Knows " reached the number 1 position on iTunes on the day of its digital release . On 12 August 2012 , thanks to Darin 's performance of the single in the show Allsång på Skansen , the song topped the Swedish Digital Singles Chart , after 19 weeks spent in the chart , jumping from position number 41 . It left the chart on 30 September , to enter again on 16 December 2012 . All in all , the single has spent 31 weeks in the chart , charting for the last time on 17 February 2013 at position number 56
Eurovision Song Contest 2013
Eurovision Song Contest 2013
Nobody Knows (Darin song)