Smile

Artist: Katy Perry - Producer: Zedd - Producer: Dreamlab - Mixer: Zedd - Additional Mixer: Ryan Shanahan - Vocals: Katy Perry - Programming: Daniel James - Background Vocalist: Gino Barletta - Background Vocalist: Hayley Warner - Background Vocalist: Leah Haywood - Programming: Leah Haywood - Programming: Zedd - Engineer: Ryan Shanahan - Asst. Recording Engineer: Brian Cruz - Mastering Engineer: Dave Kutch - Composer/Author: Anton Zaslavski

Artist: Katy Perry - Producer: Oscar Holter - Vocal Producer: Peter Karlsson - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Background Vocalist: Katy Perry - Vocals: Katy Perry - Bass Guitar: Oscar Holter - Drums: Oscar Holter - Keyboards: Oscar Holter - Programming: Oscar Holter - Guitar: Rickard Goransson - Background Vocalist: Noonie Bao - Background Vocalist: Sasha Sloan - A & R: Chris Anokute - A & R: Lauren Glucksman - Engineer: Cory Bice - Engineer: Jeremy Lertola - Engineer: Sam Holland - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Producer: Andrew Goldstein - Artist: Katy Perry - Vocal Producer: Andrew Goldstein - Producer: Oscar Gorres - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Vocals: Katy Perry - Background Vocalist: Andrew Goldstein - Bass Guitar: Andrew Goldstein - Drums: Andrew Goldstein - Guitar: Andrew Goldstein - Keyboards: Andrew Goldstein - Percussion: Andrew Goldstein - Programming: Andrew Goldstein - Bass Guitar: Oscar Gorres - Drums: Oscar Gorres - Keyboards: Oscar Gorres - Percussion: Oscar Gorres - Programming: Oscar Gorres - Background Vocalist: Michael Pollack - Synthesizer: Michael Pollack - Background Vocalist: Madison Love - Background Vocalist: Jacob Kasher Hindlin - A & R: Chris Anokute - A & R: Lauren Glucksman - Vocal Engineer: Andrew Goldstein - Engineer: Rachael Findlen - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Artist: Katy Perry - Producer: The Monsters & Strangerz - Vocal Producer: The Monsters & Strangerz - Vocal Producer: Gian Stone - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Background Vocalist: Jon Bellion - Vocals: Katy Perry - Guitar: Pierre-Luc Rioux - Guitar: Michael Pollack - A & R: Chris Anokute - A & R: Lauren Glucksman - Vocal Engineer: The Monsters & Strangerz - Engineer: Rachael Findlen - Mastering Engineer: Dave Kutch - Composer/Author: Katheryn Hudson

Artist: Katy Perry - Producer: StarGate - Producer: Tim Blacksmith - Producer: Danny D - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Vocals: Katy Perry - Programming: Mikkel S. Eriksen - Programming: Tor Hermansen - A & R: Chris Anokute - A & R: Lauren Glucksman - Engineer: Mikkel S. Eriksen - Engineer: Thomas Warren - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Producer: Andrew Goldstein - Artist: Katy Perry - Vocal Producer: Andrew Goldstein - Producer: Oscar Gorres - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Vocals: Katy Perry - Background Vocalist: Andrew Goldstein - Guitar: Andrew Goldstein - Keyboards: Andrew Goldstein - Programming: Andrew Goldstein - Background Vocalist: Madison Love - Background Vocalist: Michael Pollack - Piano: Michael Pollack - Keyboards: Oscar Gorres - Programming: Oscar Gorres - A & R: Chris Anokute - A & R: Lauren Glucksman - A & R: Ashley Newton - Vocal Engineer: Andrew Goldstein - Engineer: Rachael Findlen - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Producer: Josh Abraham - Artist: Katy Perry - Producer: Oligee - Additional Producer: G Koop - Mix Engineer: Chris Galland - Mixer: Manny Marroquin - Assistant Mixer: Robin Florent - Assistant Mixer: Scott Desmarais - Vocals: Katy Perry - Trumpet: Dave Richards - Background Vocalist: Kamaria Anita Ousley - Saxophone: Lincoln Adler - A & R: Chris Anokute - A & R: Lauren Glucksman - Engineer: Louie Gomez - Engineer: Blake Harden - Engineer: CJ Mixed It - Engineer: Darth “Denver” Moon - Mastering Engineer: Dave Kutch - Composer/Author: Josh Abraham

Producer: Johan Carlsson - Artist: Katy Perry - Vocal Producer: Peter Karlsson - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Vocals: Katy Perry - Keyboards: Johan Carlsson - Programming: Johan Carlsson - Violin: Mattias Johansson - Cello: David Bukovinszky - Synthesizer: Mattias Bylund - Synthesizer: Nils-Petter Ankarblom - A & R: Chris Anokute - A & R: Lauren Glucksman - String Arranger: Johan Carlsson - String Arranger: Nils-Petter Ankarblom - Engineer: Sam Holland - Engineer: Cory Bice - Engineer: Jeremy Lertola - Engineer: Rachael Findlen - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Producer: Johan Carlsson - Artist: Katy Perry - Vocal Producer: Peter Karlsson - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Vocals: Katy Perry - Keyboards: Johan Carlsson - Programming: Johan Carlsson - Synthesizer: Mattias Bylund - Programming: Nils-Petter Ankarblom - Trumpet: Magnus Johansson - Trumpet: Janne Bjerger - Trombone: Peter Noos Johansson - Tuba: Peter Noos Johansson - Alto Saxophone: Wojtek Goral - Baritone Saxophone: Tomas Jonsson - Tenor Saxophone: Tomas Jonsson - A & R: Chris Anokute - A & R: Lauren Glucksman - Horn Arranger: Mattias Bylund - Horn Arranger: Nils-Petter Ankarblom - Engineer: Cory Bice - Engineer: Jeremy Lertola - Engineer: Sam Holland - String Arranger: Mattias Bylund - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Producer: Charlie Puth - Artist: Katy Perry - Producer: Johan Carlsson - Vocal Producer: Peter Karlsson - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Background Vocalist: Charlie Puth - Drum Programming: Charlie Puth - Synthesizer: Charlie Puth - Vocals: Katy Perry - Background Vocalist: Johan Carlsson - Drum Programming: Johan Carlsson - Guitar: Johan Carlsson - Rhodes: Johan Carlsson - Synthesizer: Johan Carlsson - Vocal Editing: Peter Karlsson - Mastering Engineer: Dave Kutch - Asst. Recording Engineer: Jeremy Lertola - Engineer: Rachael Findlen - Engineer: Sam Holland - Engineer: Cory Bice - Engineer: Jeremy Lertola - Composer/Author: Katy Perry

Producer: John DeBold - Artist: Katy Perry - Vocal Producer: John DeBold - Additional Producer: Sophie Frances Cooke - Vocal Producer: Svend Lerche - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Vocals: Katy Perry - Additional Vocals: John DeBold - Drum Programming: John DeBold - Guitar: John DeBold - Clapping: John DeBold - Percussion: John DeBold - Programming: John DeBold - Synthesizer: John DeBold - Synthesizer Programming: John DeBold - Organ: Brad Oberhofer - Piano: Brad Oberhofer - Rhodes: Brad Oberhofer - Additional Vocals: Sachi DiSerafino - Clapping: Sachi DiSerafino - Percussion: Sachi DiSerafino - Additional Vocals: Lila Drew - Clapping: Lila Drew - Percussion: Lila Drew - Additional Vocals: Karissa Reynafarje - Background Vocalist: Sophie Frances Cooke - A & R: Chris Anokute - A & R: Lauren Glucksman - Co-Director: John DeBold - String Arranger: John DeBold - Vocal Editing: John DeBold - Engineer: John DeBold - Mastering Engineer: Dave Kutch - Composer/Author: Katy Perry

Producer: Johan Carlsson - Artist: Katy Perry - Vocal Producer: Johan Carlsson - Vocal Producer: Peter Karlsson - Co-Producer: Elvira Anderfjärd - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Vocals: Katy Perry - Acoustic Guitar: Johan Carlsson - Programming: Johan Carlsson - Shaker: Johan Carlsson - Synthesizer: Johan Carlsson - Electric Guitar: John Ryan - Background Vocalist: Elvira Anderfjärd - Bass: Elvira Anderfjärd - Drums: Elvira Anderfjärd - Electric Guitar: Elvira Anderfjärd - Organ: Elvira Anderfjärd - Programming: Elvira Anderfjärd - A & R: Chris Anokute - A & R: Lauren Glucksman - Engineer: Cory Bice - Engineer: Jeremy Lertola - Engineer: Sam Holland - Mastering Engineer: Dave Kutch - Composer/Author: Johan Carlsson

Producer: Charlie Puth - Artist: Katy Perry - Producer: Johan Carlsson - Vocal Producer: Peter Karlsson - Mixer: Phil Tan - Vocals: Katy Perry - Spoken Word: Johan Carlsson - Background Vocalist: Charlie Puth - Synthesizer: Charlie Puth - Synthesizer: Johan Carlsson - Drum Programming: Charlie Puth - Drum Programming: Johan Carlsson - Guitar: Johan Carlsson - Engineer: Rachael Findlen - Engineer: Sam Holland - Asst. Recording Engineer: Jeremy Lertola - Engineer: Bill Zimmerman - Mastering Engineer: Dave Kutch - Vocal Editing: Peter Karlsson - Composer/Author: Charlie Puth

Producer: Johan Carlsson - Artist: Katy Perry - Vocal Producer: Peter Karlsson - Mix Engineer: John Hanes - Mixer: Serban Ghenea - Vocalist: Katy Perry - Cello: David Bukovinszky - Piano: Johan Carlsson - Programming: Johan Carlsson - Strings: Mattias Bylund - Violin: Mattias Johansson - Programming: Rami - Engineer: Cory Bice - Engineer: Jeremy Lertola - Engineer: Sam Holland - String Arranger: Mattias Bylund - A&R Admin: Liz Isik - Mastering Engineer: Dave Kutch - Composer/Author: Johan Carlsson

Vocal Producer: Gian Stone - Artist: Katy Perry - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Vocals: Katy Perry - Guitar: Pierre-Luc Rioux - A & R: Chris Anokute - A & R: Lauren Glucksman - Engineer: Rachael Findlen - Mastering Engineer: Dave Kutch - Composer/Author: Katheryn Hudson

Artist: Katy Perry - Producer: The Monsters & Strangerz - Vocal Producer: Gian Stone - Remixer: Oliver Heldens - Mixer: Serban Ghenea - Mix Engineer: John Hanes - Background Vocalist: Jon Bellion - Vocals: Katy Perry - Programming: Kerr Slaven - A & R: Chris Anokute - A & R: Lauren Glucksman - A&R Admin: Liz Isik - Vocal Engineer: The Monsters & Strangerz - Mastering Engineer: Oliver Heldens - Composer/Author: Katheryn Hudson