Circus

Provided to YouTube by Jive Circus · Britney Spears The Singles Collection ℗ 2009 RCA Records, a division of Sony Music Entertainment Released on: 2009-11-09 Composer, Background Vocal, Lyricist: Claude Kelly Associated Performer: Britney Spears Keyboards, Guitar, Percussion, Lyricist, Programmer, Composer: Lukasz "Doctor Luke" Gottwald Programmer, Producer, Keyboards, Percussion: benny blanco Background Vocal: Cathy Dennis Background Vocal: Myah Marie Composer, Lyricist: Benjamin Levin Producer: Dr. Luke Editor, Engineer: Matt Beckly Engineer: Sam Holland Editor, Engineer: Emily Wright Assistant Engineer: Chad Carlisle Assistant Engineer: Tatiana Gottwald Assistant Engineer: Chris Kasych Assistant Engineer: Eric Weaver Mixing Engineer: Serban Ghenea Assistant Engineer: Tim Roberts Engineer: John Hanes Mastering Engineer: Tom Coyne Auto-generated by YouTube.