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Unconditionally · Katy Perry
PRISM
℗ 2013 Capitol Records, LLC
Released on: 2013-01-01
Producer, Programming Engineer: Dr. Luke
Composer Lyricist, Producer, Programming Engineer: Max Martin
Producer, Programming Engineer: Cirkut
Mixing Engineer: Serban Ghenea
Engineer: Peter Carlsson
Engineer: Clint Gibbs
Engineer: Sam Holland
Engineer: Michael Ilbert
Recording Second Engineer: Eric Eylands
Recording Second Engineer: Rachael Findlen
Recording Second Engineer: Justin Fox
Recording Second Engineer: Cory Bice
Mixing Engineer: John Hanes
Composer Lyricist, Vocalist: Katy Perry
Composer Lyricist: Lukasz Gottwald
Composer Lyricist: Henry Walter
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