"Pump up the party and download all-new moves from ""Don’t You Worry Child"" by Swedish House Mafia Ft. John Martin on Just Dance® 2014! Written by S. Angello, A. Hedfors, S. Ingrosso , M. Lindstrom & M. Zitron. Published by Sony/ATV Music Pub. (UK) Ltd. c/o Sony/ATV Music Pub. Canada / Lateral Mgmt London Stockholm AB Admin by Kobalt Music Pub. America, Inc. / Universal Music Pub. Group a division of Universal Music Canada Inc. Courtesy of EMI Records Ltd. under license from Universal Music Enterprises.