Question: when was don't you worry child released
Answer: `` Do n't You Worry Child '' Single by Swedish House Mafia featuring John Martin from the album Until Now Released 14 September 2012 Format Digital download Recorded 2011 -- 2012 Genre Progressive house Length 3 : 32 ( radio edit ) 6 : 43 ( extended mix ) Label Virgin EMI Polydor Songwriter ( s ) Axel Hedfors Steve Angello Sebastian Ingrosso John Martin Lindström Michel Zitron Producer ( s ) Swedish House Mafia Swedish House Mafia singles chronology `` Greyhound '' ( 2012 ) `` Do n't You Worry Child '' ( 2012 ) `` Greyhound '' ( 2012 ) `` Do n't You Worry Child '' ( 2012 ) John Martin singles chronology `` Save the World '' ( 2011 ) Save