Description
1 | Till The World Ends
Backing Vocals – Bonnie McKee, Lukasz Gottwald, Max Martin, Myah Marie, Patrizia Rogosch, Sam Holland, Stacey Barnett
Coordinator [Production Coordination] – Clint Gibbs, Irene Richter
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Aniela Gottwald*
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Producer [Vocals] – Emily Wright
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2 | Hold It Against Me
Backing Vocals – Bonnie McKee, Myah Marie
Co-producer – Billboard
Coordinator [Production Coordination] – Irene Richter, Megan Dennis
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Vezna Gottwald
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Producer – Dr. Luke, Max Martin
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3 | Inside Out
Backing Vocals – Bonnie McKee, Myah Marie
Coordinator [Production Coordination] – Clint Gibbs, Irene Richter
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Tatiana Gottwald
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Producer [Additional Vocal Production] – Emily Wright
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4 | I Wanna Go
Backing Vocals – Chau Phan
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Guitar, Bass – Shellback (2)
Mixed By – Serban Ghenea
Producer, Recorded By, Keyboards – Max Martin, Shellback (2)
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5 | How I Roll
Backing Vocals – Bonnie McKee, Nicole Morier
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Eric Eylands
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Written-By – Bonnie McKee, Christian Karlsson, Henrik Jonback, Magnus Lidehäll, Nicole Morier, Pontus Winnberg
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6 | (Drop Dead) Beautiful
Backing Vocals – Ammo (7), Benny Blanco (3), Bonnie McKee, Crystal “Cri$tyle” Johnson*, Esther Dean*, JMIKE, Myah Marie
Coordinator [Production Coordination] – Clint Gibbs, Irene Richter
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Eric Eylands, Jeremy “J Boogs” Levin*
Engineer [Mix] – John Hanes
Featuring – Sabi (2)
Mixed By – Serban Ghenea
Producer [Vocals] – Emily Wright
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7 | Seal It With A Kiss
Backing Vocals – Bonnie McKee, Sophia Black
Coordinator [Production Coordination] – Clint Gibbs, Irene Richter
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Tatiana Gottwald
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Producer [Additional Vocal Production] – Emily Wright
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8 | Big Fat Bass
Drum Programming [Additional] – DJ Ammo
Featuring, Written-By, Producer, Drum Programming, Piano – Will.i.am*
Mixed By – Dylan “3D” Dresdow*
Recorded By, Engineer – Padraic “padlock” Kerin*, Will.i.am*
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9 | Trouble For Me
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Producer, Keyboards, Drum Programming – Fraser T Smith
Recorded By – Beatriz Artola
Recorded By [Vocal Recording Assistant] – Eric Eylands
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10 | Trip To Your Heart
Backing Vocals – Nicole Morier
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Eric Eylands
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Written-By – Christian Karlsson, Henrik Jonback, Magnus Lidehäll, Nicole Morier, Pontus Winnberg, Sophie Stern
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11 | Gasoline
Coordinator [Production Coordination] – Clint Gibbs, Irene Richter
Engineer – Emily Wright, Sam Holland
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Producer [Vocals] – Emily Wright
Producer, Instruments, Programmed By – Benny Blanco (3), Dr. Luke
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12 | Criminal
Backing Vocals – Chau Phan
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Guitar – Shellback (2)
Mixed By – Serban Ghenea
Producer, Recorded By, Keyboards – Max Martin, Shellback (2)
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13 | Up N’ Down
Backing Vocals – Bonnie McKee
Engineer – Emily Wright
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Mixed By – Serban Ghenea
Recorded By – Max Martin, Shellback (2)
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14 | He About To Lose Me
Engineer [Assistant Mix] – Tim Roberts
Engineer [Assistant] – Eric Weaver
Engineer [Mix] – John Hanes
Guitar – Brent Paschke
Mixed By – Rodney Jerkins, Serban Ghenea
Producer, Producer [Vocal Production], Music By – Rodney “Darkchild” Jerkins*
Written-By – Ina Wroldsen, Rodney Jerkins
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15 | Selfish
Backing Vocals – Jeanette Olsson, Thaddis “Kuk” Harrell*
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Management [Stargate] – Danny D.*, Tim Blacksmith (3)
Mixed By – Serban Ghenea
Producer – Sandy Vee, StarGate (2)
Producer [Vocals] – Kuk Harrell
Recorded By [Vocals] – Josh Gudwin, Kuk Harrell
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16 | Don’t Keep Me Waiting
Backing Vocals – Britney Spears, Michaela Shiloh
Bass – Thaddaeus Tribbett
Drums [Live] – Travis Barker
Engineer [Assistant Mix] – Tim Roberts
Engineer [Mix] – John Hanes
Guitar – Brent Paschke
Mixed By – Rodney Jerkins, Serban Ghenea
Producer, Producer [Vocal Production], Music By – Rodney “Darkchild” Jerkins*
Recorded By [Live Drums] – Chris Holmes
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