Drums, Percussion – Shawn Pelton, Engineer [Additional Pro Tools] – John Hanes, Engineer [Assistant Additional Pro Tools] – Tim Roberts, Engineer [Pro Tools Techs] – Christian Nilsson, Dan Chase, Mixed By – Serban Ghenea, Producer – Lukasz "Dr. Luke" Gottwald, Recorded By – Christian Nilsson, Lukasz "Dr. Luke" Gottwald, Seth Waldmann, Recorded By [Assistant] – Alan Mason, Written By – Max Martin , Lukasz Gottwald

Arranged By [Strings], Keyboards – Tommy Barbarella, Drums – Michael Bland, Guitar – Greg Suran, Mixed By – John Fields, Steven Miller, Mixed By [Assistant] – Kennie Takahashi, Percussion, Effects – Ken Chastain, Piano, Bass, Guitar, Keyboards, Effects – John Fields, Producer – John Fields, Programmed By – Fafu, Recorded By – Chris Testa, John Fields, Steven Miller, Recorded By [Assistant] – Mark Kiczula, Matt Beckley, Written By – Chris Farren , Blair Daly

Arranged By [Strings] – Gregg Wattenberg, Paul Buckmaster, Bass – Jerry Barnes, Drums – Shawn Pelton, Engineer [Assistant Pro Tools] – Ross Peterson, Seth Waldmann, Engineer [Pro Tools] – Brian Montgomery, Executive Producer – John OndrasikGuitar, Programmed By – Gregg Wattenberg, Mixed By [Assistant] – Keith Armstrong, Producer – Gregg Wattenberg, Recorded By – Brian Schueble, Gregg Wattenberg, Pablo Munguia, Written By – John Ondrasik

Drums – Shawn Pelton, Producer, Recorded By – Rami, Written By – Max Martin , Rami

Acoustic Guitar, Guitar – Billy Mann, Arranged By – Billy Mann, Supa'Flyas, Arranged By [Vocals] – Backstreet Boys, Billy Mann, Co-producer – Supa'Flyas, Coordinator [Production Coordinator] – Lana Israel, Drums, Percussion – René Tromborg, Keyboards – Rasmus Bille Bähncke, Mixed By – Andy Zulla, Producer – Billy Mann, Programmed By – Billy Mann, Rasmus Bille Bähncke, Recorded By – John Silas Cranfield, Written By – billymann , Rasmus Bähncke , René Tromborg

Arranged By [Strings], Keyboards – Tommy Barbarella, Drums – Michael Bland, Guitar – Greg Suran, Mixed By – Tom Lord-Alge, Mixed By [Assistant] – Femio Hernandez, Mark Kiczula, Matt Beckley, Percussion, Effects – Ken Chastain, Piano, Bass, Guitar, Keyboards, Effects – John Fields, Producer – John Fields, Recorded By – Chris Testa, John Fields, Steven Miller, Written By – Wally Gagel , Shelly Peiken , Alexander Barry

Arranged By [Strings], Conductor [Strings] – Wil Malone, Drums – Johan Reivén, Edited By [Digital] – Chris Haggerty, Guitar – Lukasz "Dr. Luke" Gottwald, Max Martin, Leader [Strings] – Gavyn Wright, Producer, Recorded By, Bass – Lukasz "Dr. Luke" Gottwald, Recorded By [Assistant] – Brian Pugh, Recorded By [Guitars, Bass & Drums], Edited By [Pro Tools] – Michael Ilbert, Recorded By [Strings] – Adam Brown, Strings – The London Session Orchestra, Written By – Max Martin , Lukasz Gottwald

Bass – Paul Bushnell, Drums – Vinnie Colaiuta, Edited By [Digital] – Chris Haggerty, Guitar – Grecco Buratto, Percussion [Additional] – Alex Acuña, Producer [Additional] – Victoria Wu, Producer, Arranged By, Recorded By – Paul Wiltshire, Recorded By [Drums & Bass] – Frank Wolf, Recorded By [Vocals] – Pablo Munguia, Written By – Paul Wiltshire , Victoria Wu

Bass – Paul Bushnell, Coordinator [Production Coordinator], Contractor – Shari Sutcliffe, Drums – Vinnie Colaiuta, Engineer [Additional] – Mark Valentine, Guitar – John Shanks, Keyboards – Jamie Muhoberac, Mixed By – Jeff Rothschild, John Shanks, Producer – John Shanks, Recorded By – Jeff Rothschild, Written By – Tom Leonard , Robin Lerner

Guitar, Bass – Johan Brorson, Mixed By – Michael Ilbert, Percussion – Christian Nilsson, Producer, Recorded By – Christian Nilsson, Johan Brorson, Written By – Max Martin , Rami , Alexandra

Arranged By [Strings] – Mark Taylor, Robin Smith, Conductor [Strings] – Robin Smith, Contractor [String Contractor] – Isobel Griffiths, Guitar – Adam Phillips, Leader [Strings] – Gavyn Wright, Piano – Kevin Richardson, Producer – Mark Taylor, Recorded By [Assistant Strings] – James Stone, Recorded By [Assistant Vocals] – Ghian Wright, Recorded By [Assistant], Mixed By [Assistant] – Alex Smith (7), Recorded By [Strings] – Steve Price (6), Recorded By [Vocals] – Pablo Munguia, Recorded By, Mixed By – Mark Taylor, Ren Swan, Written By – Kevin Richardson , Gary Baker , Steve Diamond

Arranged By [Vocals] – Backstreet Boys, Billy Mann, Arranged By, Acoustic Guitar, Electric Guitar, Programmed By [Keyboards] – Billy Mann, Chris Rojas, Coordinator [Production Coordinator] – Lana Israel, Drum Programming – Chris Rojas, Mixed By – Andy Zulla, Producer – Billy Mann, Recorded By – Billy Mann, Chris Rojas, Will Sandalls, Written By – billymann , Chris Rojas

Drums – Teddy Campbell, Guitar – Corky James, Michael Thompson, Mixed By – Jon Gass, Producer – The Underdogs, Recorded By [Assistant] – Ed Quesada, Recorded By, Edited By – Dabling Harward, Dave Russell, Paul Boutin, Written By – Harvey Mason Jr. , Damon Thomas , Howie Dorough , AJ McLean , Nick Carter , Kevin Richardson , Brian Littrell