12, 2012. The song received critical acclaim by music critics, praising the production of the song as well as Lovato's vocals. Lovato also performed the single on American Idol on March 15, 2012. The song peaked at number 16 on the Billboard Hot 100 and reached number one on Billboard's Pop chart in September 2012. It was also certified triple platinum in the United States. Track listing Notes signifies a co-producer signifies an additional producer signifies a vocal producer Personnel Credits adapted from the liner notes of Unbroken. Performers and musicians Demi Lovato – lead vocals, background vocals Missy Elliott – featured artist Timbaland – featured artist Dev – featured artist Iyaz – featured artist Jason Derulo – featured artist Josh Alexander – all instruments Bleu – keyboards , guitar Eren Cannata – guitar Jim Beanz – additional vocals Toby Gad – all instruments Emanuel Kiriakou – piano , keyboards , bass Jaden Michaels – additional background vocals Lindsey Ray – background vocals Jordin Sparks – additional background vocals Ryan Tedder – all instruments Noel Zancanella – all instruments Production Josh Alexander – production , recording , engineering , mixing , programming Bleu – production , recording , mixing , programming Brian Byrd – production coordination Bobby Campbell – engineering Ducky Carlisle – mixing Smith Carlson – engineering Adam Comstock – engineering Alexander "Fade" Dilliplane – assistant engineer Dreamlab – production Mike "Daddy" Evans – executive production coordination Toby Gad – production , mixing , programming Elizabeth "Lizzy Gaga" Gallardo – assistant engineer Chris Garcia – recording , engineering Serban Ghenea – mixing Chris Godbey – mixing Steve Hammons – engineering , mixing engineer John Hanes – engineered for mix Jerome "J-Roc" Harmon – co-production Tim James – mixing , digital editing Jim Beanz – production , vocal production Devrim Karaoglu – additional production Emanuel Kiriakou – production , programming Jens Koerkemeier – engineering , editing Koil – recording Steve Lu – string arrangement Nigel Lundemo – digital editing Garland Mosley – executive production coordination Jeremiah "J-Hop" Olvera – assistant mixer Paul Palmer – mixing Neal Pogue – mixing Tucker Robinson – assistant engineer Rock Mafia – production Scott Roewe – Logic and Pro Tools tech Phil Seaford – assistant mixer Billy Steinberg – production Thomas Armato Sturges – additional production Ryan Tedder – production , engineering Timbaland – production Julian Vasquez – recording Robert Vosgien – mastering Wizz Dumb