| A1 | Roar Coordinator [Production Coordination] – Irene RichterEngineer – Clint Gibbs, Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Elliott Lanam, Justin Fox, Rachael FindlenProducer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinWritten-By – Bonnie McKee, Henry Walter, Katy Perry, Lukasz Gottwald, Max Martin | 3:43 |
| A2 | Legendary Lovers Coordinator [Production Coordination] – Irene RichterEngineer – Clint Gibbs, Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory Bice, Elliott Lanam, Justin Fox, Rachael FindlenProducer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinSitar – Ronobir LahiriSitar [Coral] – Dr. LukeTabla – Aditya KalyanpurViolin [Double] – Gingger Shankar*Written-By – Bonnie McKee, Henry Walter, Katy Perry, Lukasz Gottwald, Max Martin | 3:44 |
| A3 | Birthday Alto Saxophone – Alex FosterArranged By [Horn Arrangement], Tenor Saxophone – Lenny PickettBaritone Saxophone – Ron BlakeCoordinator [Production Coordination] – Irene RichterDrums [Additional] – Steven WolfEngineer – Clint Gibbs, Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory Bice, Elliott Lanam, Eric Eylands, Justin Fox, Rachael FindlenEngineer [Horns, Assisted By] – Kenta YonesakaEngineer [Horns] – Dave O'DonnellPerformer – Saturday Night Live Band*Producer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinTrombone – Steve TurreTrumpet – Earl GardnerWritten-By – Bonnie McKee, Henry Walter, Katy Perry, Lukasz Gottwald, Max Martin | 3:35 |
| A4 | Walking On Air Backing Vocals – Sabina Ddumba, Tensta Gospel ChoirEngineer – Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory BiceProducer, Programmed By – Klas Ahlund*, Max MartinWritten-By – Adam Baptiste, Camela Leierth*, Katy Perry, Klas Ahlund*, Max Martin | 3:42 |
| B5 | Unconditionally Coordinator [Production Coordination] – Irene RichterEngineer – Clint Gibbs, Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory Bice, Eric Eylands, Justin Fox, Rachael FindlenProducer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinWritten-By – Henry Walter, Katy Perry, Lukasz Gottwald, Max Martin | 3:48 |
| B6 | Dark Horse Backing Vocals – Katy Perry, Max MartinCoordinator [Production Coordination] – Irene RichterEngineer – Clint Gibbs, Michael Ilbert, Mike "Crazy Mike" Foster*, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory Bice, Elliott Lanam, Eric Eylands, Justin Fox, Rachael FindlenFeaturing [Vocals] – Juicy JProducer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinVocals [Additional] – Ava JamesWritten-By – Henry Walter, Jordan Houston, Katy Perry, Lukasz Gottwald, Max Martin, Sarah Theresa Hudson* | 3:35 |
| B7 | This Is How We Do Engineer – Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory BiceProducer, Programmed By – Klas Ahlund*, Max MartinWritten-By – Katy Perry, Klas Ahlund*, Max Martin | 3:24 |
| B8 | International Smile Coordinator [Production Coordination] – Irene RichterEngineer – Clint Gibbs, Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory Bice, Eric Eylands, Justin Fox, Rachael FindlenProducer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinWritten-By – Henry Walter, Katy Perry, Lukasz Gottwald, Max Martin | 3:47 |
| C9 | Ghost Coordinator [Production Coordination] – Irene RichterEngineer – Clint Gibbs, Michael Ilbert, Peter Carlsson (3), Sam HollandEngineer [Assisted By] – Cory Bice, Elliott Lanam, Justin Fox, Rachael FindlenProducer, Instruments [All], Programmed By – Cirkut*, Dr. Luke, Max MartinWritten-By – Bonnie McKee, Henry Walter, Katy Perry, Lukasz Gottwald, Max Martin | 3:23 |
| C10 | Love Me Engineer, Instruments [All], Programmed By – Christian "Bloodshy" Karlsson*, Magnus*, Vincent PontareProducer – Christian "Bloodshy" Karlsson*Written-By – Christian "Bloodshy" Karlsson*, Katy Perry, Mangus Lidehall*, Max Martin, Vincent Pontare | 3:52 |
| C11 | This Moment Coordinator [Production Coordination] – Andrew "McMuffin" Luftman*, Scott "Yarmov" Yarmovsky*Engineer – Mikkel Storleer Eriksen*Engineer [Assisted By] – Chris "Anger Management" Sclafani*Guitar [Additional] – John MayerManagement [Stargate Managed By] – Danny D.*, Tim Blacksmith (3)Producer, Instruments [All], Programmed By – Benny Blanco (3), Stargate (2)Written-By – Benjamin Levin, Katy Perry, Mikkel Storleer Eriksen*, Tor Erik Hermansen | 3:46 |
| C12 | Double Rainbow Engineer – Greg Kurstin, Jesse ShatkinEngineer [Additional] – Alex PascoEngineer [Assisted By] – Chris Galland, Delbert BowersMixed By – Manny MarroquinProducer, Guitar, Keyboards, Programmed By – Greg KurstinWritten-By – Greg Kurstin, Katy Perry, Sia Furler | 3:51 |
| D13 | By The Grace Of God Drums, Piano, Synth, Programmed By – Greg WellsEngineer – Ian McGregor*Written-By, Producer – Greg Wells, Katy Perry | 4:27 |
| D14 | Spiritual Engineer – Greg Kurstin, Jesse ShatkinEngineer [Additional] – Alex PascoProducer, Bass, Keyboards, Programmed By – Greg KurstinWritten-By – Greg Kurstin, John Mayer, Katy Perry | 4:35 |
| D15 | It Takes Two Coordinator [Production Coordination] – Andrew "McMuffin" Luftman*, Scott "Yarmov" Yarmovsky*Engineer – Mikkel Storleer Eriksen*Engineer [Assisted By] – Chris "Anger Management" Sclafani*Guitar [Additional] – John MayerManagement [Stargate Managed By] – Danny D.*, Tim Blacksmith (3)Producer, Instruments [All], Programmed By – Benny Blanco (3), Stargate (2)Written-By – Benjamin Levin, Emeli Sandé*, Katy Perry, Mikkel Storleer Eriksen*, Tor Erik Hermansen | 3:54 |
| D16 | Choose Your Battles Drums, Synth, Programmed By – Greg WellsEngineer – Ian MacGregorKalimba – Jonatha BrookeProducer – Greg Wells, Katy PerryWritten-By – Greg Wells, Jonatha Brooke, Katy Perry |
