Played at the two low-key comeback performances in Australia on 6 and 8 February , the song made its ' official ' international live debut at the MTV Australia Awards 2009 on 27 March 2009 , and was released for free on the band 's official website shortly after . The song was also performed on 1 May at the Natural History Museum of Los Angeles County , the new lineup 's first performance outside of Australia , where new songs " Cosmic Egg " and " California Queen " were premièred . " Back Round " was featured on the music video game '' Guitar Hero 5 '' as a playable track in September 2009 , and was made available for free download from the game 's official website
MTV Australia Awards 2009
MTV Australia Awards 2009
Back Round