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Gary Smith

Jeff Harnar (vocals), Jamie deRoy (vocals), Roger Bart (vocals), Karen Mack (vocals), Brent Barrett (vocals), Lisa Asher (vocals), Faith Prince (vocals), Daisy Eagan (vocals), Craig Carnelia (vocals), Dee Hoty (vocals), Julie Gold (vocals), Heather MacRae (vocals), Michael Winther (vocals) High 5 Vocalworks, The Accidentals, Combo Fiasco

Gismo Graf (leadvocalist), Stefan Koschintzki, Cheyenne Graf (leadvocalist), Stochelo Rosenberg, Ludovic Beier, Christiaan Van Hemert

John Barrowman, National Symphony Orchestra, Jae Alexander, Martin Yates, John Owen Edwards, Cfraig Barna

Romero Lubambo (guitar), Nicol Thompson (trombone), Alistair White (trombone), Mark Frost (trombone), Tom Rees-Roberts (trumpet), Jau Craig (woodwinds), Mark Nightingal (trombone), Colin Skinner (woodwinds), David Bishop (woodwinds), Ben Castle (woodwinds), Phil Todd (woodwinds), Rory Simmonds (trumpet), Mike Lovett (trumpet), Matt Skelton (drums), Rob Updergraff (guitar), Laurence Garratt (bass guitar), Ross Stanley (piano), Tom Richards (horn arranger), Tom Walsh (trumpet), Jacob Collier (keyboards), Jacob Collier (african percussion), Jacob Collier (electric guitar), Jacob Collier (electric bass), Jacob Collier (organ), Jacob Collier (timpani), Jacob Collier (clapping), Jacob Collier (bongos), Rocky Gresset (guitar), David Chiron (background vocalist), Randy Waldman (keyboards), Michael O'Neill (background vocalist), Romain Sarron (drums), Maxime Sanchez (piano), George Benson (guitar), Patrick Maradan (bass guitar), Patrick Maradan (upright bass) Rob Mounsey, David Enhco, Fred Nardin, Jonathan Boutellier, Bastien Ballaz

BYU Vocal Point

Marcy Heisler (vocals), Kathie Lee Gifford (vocals), Stephen Bogardus (vocals), Karen Mason (vocals), Eric Michael Gillett (vocals), Babbie Green (vocals), Liz Callaway (vocals), Jamie deRoy (vocals), Deborah Tranelli (vocals), Eric Hansen (vocals), Heather MacRae (vocals), Ellen Foley (vocals), Craig Carnelia (vocals), Laurie Beechman (vocals) The Accidentals

Lea Salonga (narrator) Kory Katseanes

Matthew Freeman, David Bardsley, Summer Rognlie, Marcus Allen Cooper, Ria Jones, Martin Callaghan, Christina Fry

Philharmonic Wind Orchestra, Marc Reift Orchestra Marc Reift

Munkedals Blåsorkester, Regression

BYU Young Ambassadors

Philharmonic Wind Orchestra, Marc Reift Orchestra, Marc Reift

Philharmonic Wind Orchestra, Marc Reift Orchestra, Marc Reift

Jimmy Rosenberg

Jimmy Rosenberg, Angelo Debarre, Reinier Voet, Babik Reinhardt, Bireli Lagrene, Jon Larsen

Adassa, McKay Crockett, Alyssa Crockett, Laura Osnes, Hannah Pyper Dalley, Hailey Hyde, Yaphet Bustos, BYU Vocal Point, One Voice Children's Choir, Anthem Lights, The All-American Boys Chorus

John Tesh, Tim Heintz (accordion), Brian Kilgore (drumkit), Michael Landau (guitar), Tim Landers (bassguitar), George Perilli (drumkit), Charlie Bisharat (violin), Richard Cook (uilleannpipes), Tollak Ollestad (harmonica), Phillip Ingram (vocalist, actor), David Pack (vocalist, actor), Mervyn Edwin Warren (vocalist, actor), Rick Baptist (trumpet), Stu Blumberg (trumpet), Alex Iles (trombone), Alan Kaplan (trombone), Boney James (sopranosaxophone)

Kane Alexander feat. National Symphony Orchestra, Kane Alexander, National Symphony Orchestra, Caerwen Martin, David Cameron, Narelle Colbey, Paul Cengia, Martin Yates, Craig Barna, John Owen Edwards, Jae Alexander

Kelsey Grammer, Jane Krakowski, Jesse L. Martin, Julian Ovenden, Martyn Ellis, Geraldine Chaplin, Joseph Tremain, Jacob Moriarty, Orchestra of A Christmas Carol, Jason Alexander, Ruthie Henshall, Leah-Verity White, Claire Moore, Company of A Christmas Carol, Steven Miller, Jennifer Love Hewitt, Sheila Reid, Edward Gower, Julian Ovenden feat. Julie-Alanah Brighten

Andrea Malek

BYU Vocal Point, All-American Boys Chorus, BYU Men's Chorus

Raissa Katona Bennett

Michel Bestrin

The Hit Crew

Stuart Blagden, Gismo Graf, Michael Joseph Harris, Ola Erlien, Gustav Skaaret, Jon Larsen, Jo Skaansar, Håkon Mjåset Johansen, Minsk Chamber Orchestra, Favino Lorier, Roberto Beneventi, Ruben Chaviano, Tommaso Papini, Note Noire 4et, Serge Krief, Hernán Navarro, Sims Delaney-Potthoff, Joscho Stephan, Tim Kliphuis, Russell Welch, Harmonious Wail, Scott Hlavenka, Apostol Acoustic Rroms, Marius Apostol, Un Soir De Swing, Djanito Félix, Florin Niculescu, Gonzalo Bergara, Ole Morten Vågan, Filippo Dall'asta, The Hot Club of Tenerife, Erkand Morina, Djangolaya, Fabian de Kok Mercado, Jeanine Greene (leadvocalist), Charlie Schueller, Gyplicity, Ryan Picone Quartet, Sigurd Jovik Bræin, Hot Club de Nieu, David Kløve Kjernlie, Sven Jungbeck, Adrian Raso, John Jorgenson

Al Yankee Trio

Jamie Cullum (vocalist), Tom Richards (coarranger, hornarranger), Ross Stanley (piano), Laurence Garratt (doublebass, bassguitar), Matt Skelton (drumkit), Mike Lovett (trumpet), Tom Walsh (trumpet), Rory Simmonds (trumpet), Tom Rees-Roberts (trumpet), Mark Nightingal (trombone), Mark Frost (trombone), Nicol Thompson (trombone), Alistair White (trombone), Jay Craig (woodwinds), Colin Skinner (woodwinds), Phil Todd (woodwinds), Ben Castle (woodwinds), David Bishop (woodwinds), Melody Gardot (vocalist), Ira Coleman (bassguitar), Glenn Patscha (piano), Rodney Green (drumkit), Michael Roth (violin), Hiroko Taguchi (violin), Sean Carney (violin), Robin Zeh (violin), Phil Payton (violin), Bob Chausow (violin), Monica Davis (violin), Adda Kridler (violin), Kristina Musser (violin), Shinwon Kim (violin), Matt Lehmann (violin), Dave Creswell (viola), Chris Cardona (viola), Todd Low (viola), David Blinn (viola), Anja Wood (cello), Clarice Jensen (cello), Amy Ralske (cello), Jacqui Kerrod (harp), Andy Snitzer (tenorsaxophone), Stacey Kent (vocalist), Roger Squitero (percussion), Jim Tomlinson (saxophone), Gregory Porter (vocalist), China Moses (vocalist), Tony Kadleck (trumpet), Raphael Gualazzi (vocalist, piano), Roger Rosenberg (baritonesaxophone), Charles Pillow (altosaxophone, piccoloflute), Michael Davis (trombone), Lew Soloff (trumpet, flugelhorn), Hugh Coltman (vocalist), Anne Sila (vocalist), Evan Jolly (coarranger), Tim Giles (drumkit), Rob Updegraff (guitar), Lucy Railton (cello), Max Ruisi (cello), Laura Anstee (cello), Oli Langford (viola), Jennifer Ames (viola), Richard Jones (viola), Anisa Arslanagi (viola), Rachel Steadma (violin), Paloma Deike (violin), Philip Granell (violin), Emma Smith (violin), Eloisa Fleur (violin), Mandihra de Saram (violin), Tom Pigott-Smith (violin), Alice Zawadzki (violin), Oscar Perks (violin), Flora Curon (violin), Chloe Stowers (violin), Laika Fatien (vocalist), Nikki Yanofsky (vocalist), Sam Nulton (whistle), Bebel Gilberto (vocalist), Romero Lubambo (guitar), Imany (vocalist), Eric Cantona (vocalist), Rob Updergraff (guitar), Jau Craig (woodwinds), Jacob Collier (vocalist, electricbassguitar, electricguitar, africanpercussion, keyboard, organ, timpani, bongos, handclaps), Angelique Kidjo (vocalist), Thomas Dutronc (vocalist), Rocky Gresset (guitar), Selah Sue (vocalist), Madeleine Peyroux (vocalist), George Benson (vocalist, guitar), Maxime Sanchez (piano), Patrick Maradan (bassguitar, uprightbass), Romain Sarron (drumkit), Randy Waldman (keyboard, additionalproducer), Laura Mvula (vocalist), The Rob Mounsey Orchestra, The Amazing Keystone Big Band, Appassionato Orchestra, Rob Mounsey, Bastien Ballaz, Jonathan Boutellier, David Enhco, Fred Nardin

Ethan Freeman feat. National Symphony Orchestra, Ethan Freeman, Janis Kelly feat. National Symphony Orchestra, National Symphony Orchestra, Martin Yates, John Owen Edwards

Rebecca Luker, Ron Raines, Sean McDermott, Ethan Freeman, Caroline O'Connor, Gary Mauer, Laurie Gayle Stephenson, Susan Egan, Kim Criswell (mezzo-soprano), Diana Montague (mezzo-soprano), Debbie Gravitte, Liz Callaway, Todd Graff, Gemma Craven, Gregg Edelman, Diane Langton, The Liberated Man's Band, Salena Jones, Issy Van Randwyck, Graham Bickley, Judy Kuhn, Julia Shore, The Piccadilly Dance Orchestra, National Symphony Orchestra, Theatre Band, Theatre Band of They're Playing Our Song, The Piccadilly Dance Orchetra, John Owen Edwards, Martin Yates, Julian Kelly, Kevin Farrell, Peter Howard, Grant Hossack, Stuart Pedlar, Paul Sawtell, David Firman, Michael Law