Backing Vocals – Monique DonnellySynthesizer, Sound Designer – Jim "Kimo" West*Written-By – Fernando Garibay, Jeppe Laursen, Paul Blair, Stefani Germanotta

Banjo, Mandolin – Jim "Kimo" West*Written-By – Liz Rose, Taylor Swift

Accordion – "Weird Al" YankovicBanjo – Jim "Kimo" West*Clarinet – Joel PeskinTrumpet – Warren LueningTuba – Jim Self*Vocals [Group], Handclaps – Al*, Jim*, Jon*, Steve*Wood Block, Noises [Duck Call], Whistle [Siren], Horn [Bulb], Noises [Ratchet], Whistle [Slide], Idiophone [Flexitone] – Jon "Bermuda" Schwartz

Written-By – E.K. Minerva, Edmund Koetscher*, Rudi Von Der Dovenmuehle*

Written-By – Nadir Khayat, Stefani Germanotta

Written-By – Nikeshia Briscoe*, Rafael Akinyemi

Written-By – Allan Grigg*, Bruno Mars, Justin Franks, Lukasz Gottwald, Michael Percy*, Peter Burns*, Philip Lawrence*, Stephen Coy*, Timothy Lever*, Tramar Dillard

Written-By – Oladipo Omishore, Scott Mescudi

Written-By – Charles Kelley, Dave Haywood, Hillary Scott, Josh Kear

Written-By – Christine Flores, Christopher Bridges, Christopher Stewart, Terius Nash

Written-By – Max Martin, P!nk, Shellback

Written-By – Cathy Dennis, Katy Perry, Lukasz Gottwald, Max Martin

Written-By – Adam Young

Written-By – Brandon R. Melancon*, Breyon Prescott, Christopher Henderson*, Christopher Stewart, James T. Brown, Jamie Foxx, John Conte, Jr., Nathan L. Walker*, T-Pain, Terius Nash

Written-By – Jason Desrouleaux, Jonathan Rotem*, Keidran Jones, Kisean Anderson, Thomas Theron*, Timothy Theron*

Written-By – Jared Cotter, Jeremy Skaler*, Kamaljit Jhooti, Robert Larow

Written-By – Fraser T. Smith*, Taio Cruz

Written-By – G. Lama*, R. Martino, S. Guski

Written-By – Benjamin Levin, Kesha Sebert, Lukasz Gottwald

Written-By – Al Yankovic*

Engineer – Matt CohenKeyboards – Ray Manzarek

Keyboards – Jim "Kimo" West*Written-By – Claude Kelly, Jessica Cornish, Lukasz Gottwald

Keyboards – Ruben Valtierra

Keyboards – Jim "Kimo" West*Written-By – Ari Levine, Bobby Simmons Jr.*, Bruno Mars, Philip Lawrence*

Congas, Cowbell – Jon "Bermuda" SchwartzKeyboards – Taylor Hanson

Engineer [Assistant] – Eric RennakerProgrammed By [Keyboard] – Jim "Kimo" West*Written-By – Clifford Joseph Harris*, David Siegel, James Gregory Scheffer*

Castanets, Bells [Sleigh] – Jon "Bermuda" SchwartzChoir [Vocals] – "Weird Al" Yankovic, Angie Jaree, David Joyce, Jim "Kimo" West*, Lisa Popeil, Monique Donnelly, Randy Crenshaw, Scottie Haskell, Steve JayFrench Horn – John DicksonHandclaps – Al*, Jim*, Jon*, Steve*Keyboards – Kim BullardOrchestrated By – Steve Jay

Animation, Film Director – JibJab.com

Animation, Film Director – Bill PlymptonArtwork [Colorist] – Lindsay WoodsExecutive Producer – Ron DiamondFilm Producer [Supervisor] – Desirée Stavracos

Animation, Film Director – Divya Srinivasan

Film Director – Liam Lynch

Animation – Alan Lau, Brad Rau, Kenn Navarro, Sam Chi, Tony CliffAnimation [Assistant] – Jamaica Dyer, Kris ToscaniniArt Direction – Roman LaneyFilm Director – Roque BallesterosFilm Producer – Corrine Wong, Julie Moskowitz

Animation [Lead] – Steven K.L. OlsonFilm Director – Dustin McLean , Josh Faure-Brac

Animation, Film Director – Augenblick Studios

Animation, Film Director – Brian Frisk

Animation, Film Director – Cris Shapan

Animation, Film Director – Koos Dekker