In 2009 , a joint between Alexander , the DJ Ali Payami and the teenage Swedish singer Mimmi Sandén worked in the song " Du " ( " You " in Swedish ) . This song was selected by the national broadcaster of JESC in Sweden , TV4 , and Mimmi performed it in the final of Junior Eurovision Song Contest 2009 , which took place on 21 November 2009 , on Kiev , Ukraine . He went in to collaborate with Tove Lo
Junior Eurovision Song Contest 2009
Junior Eurovision Song Contest 2009
Alexander Kronlund