Richie

The Sing-Off, The Sing-Off Contestants, The Backbeats, Street Corner Symphony, Talk Of The Town, Jerry Lawson, Jerry Lawson & Talk of The Town, On The Rocks, Groove For Thought, Committed

ASU Sun Devil Marching Band, Dr. Robert C. Fleming

The Ohio State University Marching Band, Dr. Jon R. Woods

Cristiano Neves (vocals) Trio Nordestino, Roberio e Seus Teclados

Adam Pascal, Max Crumm, Roger Bart, Disaster! Original Broadway Cast, Seth Rudetsky (leadvocalist), Jennifer Simard, Lacretta, Rachel York, Kerry Butler, Baylee Littrell, Faith Prince, Kevin Chamberlin, Disaster! Orchestra, Paul Castree

Maksym Rzemiński

The Sing-Off Contestants, University of Rochester YellowJackets, Delilah, North Shore, The Collective, Dartmouth Aires, Afro Blue, Pentatonix, University of Delaware Deltones, Urban Method, Vocal Point

Jonathan Antoine (tenor), Charlotte Jaconelli (soprano), St Joseph's Youth Choir The City Of Prague Philharmonic Orchestra, Nick Ingman

Il Divo

Joey Misquita, London Music Works

Lindsay Lohan, Jeff Rothschild (programmer, drums), Jamie Muhoberac (keyboards), Jason Lader (programmer, keyboards), John Shanks (bass guitar, keyboards), Mark McGrath, Krish Sharma, Matthew Gerrard, Caleigh Peters, Pilot, Josh Gracin, The Donnas, The Mooney Suzuki, Ingram Hill, Rooney, Josh Kelley, Lionel Richie (piano), Mavin, The Blacksmoke Organisation

Peter Breiner Symphonic Pop Orchestra, Peter Breiner

Julia Knight (viola), Fiona Bonds (viola), Katie Wilkinson (viola), Rebecca Carrington (viola), Paul Cassidy (viola), Sue Dench (viola), Charlie Cross (viola), Clare Finnimore (viola), Andy Parker (viola), Dave Daniels (cello), Rachel Bolt (viola), Peter Lale (viola), Sonia Slany (violin), Christina Emanuel (violin), Tom Hankey (violin), Emil Chakalov (violin), Debbie Preece (violin), Debbie Widdup (violin), Tim Gill (cello), Jonathan Williams (cello), Paul Willey (violin), Laurence Davies (french horn), Jim Anderson (tuba), Dave Stewart (bass trombone), Byron Fulcher (trombone), Richard Edwards (trombone), Neil Brough (trumpet), Alistair Mackie (cornet, trumpet), Michael Thompson (french horn), Tony Woollard (cello), Martin Owen (french horn), Richard Pryce (double bass), Steve Mair (double bass), Chris Laurence (double bass), Vicki Matthews (cello), Tony Lewis (cello), Nick Cooper (cello), Frank Schaefer (cello), Pippa Ibbotson (violin), Roger Garland (violin), Karen Jones (flute/piccolo), Dominic Morgan (bassoon), Daniel Jemison (bassoon), Martin Robertson (clarinet), Dave Fuest (clarinet), Jon Carnac (clarinet), helen keen (flute/piccolo), Nina Robertson (flute), Thomas Bowes (violin, leader), Rachel Simms (bassoon, contra bassoon), Phil Todd (tenor saxophone), Emlyn Singleton (violin), Rose Warren-Green (violin), Chris Tombling (violin), Maciej Rakowski (violin), Oli Langford (violin), Natalia Bonner (violin), Julian Leaper (violin), Tom Pigott-Smith (violin), Katherine Mayes (violin), Philippe Honoré (violin), Cathy Thompson (violin), Jamie Talbot (tenor saxophone), Gillian Findlay (violin), Mark Berrow (violin), Patrick Kiernan (violin), Jonathan Evans-Jones (violin), Jackie Hartley (violin), Perry Montague-Mason (violin), John Bradbury (violin), Steve Morris (violin), Shlomy Dobrinsky (violin), Vicci Wardman (viola), Ralph De Souza (violin), Corinne Chapelle (violin), Reiad Chibah (viola), Peter Hanson (violin), Kathy Gowers (violin), Rita Manning (violin), Warren Zielinski (violin), Bruce White (viola), Ian Burdge (cello), Anthony Lewis (cello), Judith Busbridge (viola), Ian Rathbone (viola), Martin Humbey (viola), Max Baillie (viola), Jenny O'Grady (chorus master), Scott Price (chorus master), Anna Noakes (flute), Nick Rodwell (clarinet), Everton Nelson (violin), Anthony Pike (clarinet), Boguslaw Kostecki (violin), Rosie Jenkins (oboe), Gavin McNaughton (bassoon, oboe), Richard Skinner (bassoon, oboe), D Lime, Tabago Crusoe (vocals), Felix Ruiz (piano), Steve Pearce (double bass), Chris Storr (trumpet), Miguel Antonio Barradas (percussion), Tim Cansfield (guitar), L.D. 'Eldee' Williams (tenor saxophone), Melvin Parker (drums), David Williams (guitar), Alphonso 'Country' Kellum (guitar), Jimmy Nolen (guitar), Maceo Parker (alto saxophone), Al “Brisco” Clark (tenor saxophone), St. Clair Pinckney (tenor saxophone), James Brown (vocals), Nat Jones (organ, alto saxophone), Mike Ridley (trumpet), Levi Rasbury (trombone), Joe Dupars (trumpet), Ron Tooley (trumpet), Skaila Kanga (harp), Richard Watkins (french horn), Owen Slade (tuba), Amos Miller (trombone), Dan Newell (trumpet), John Barclay (trumpet), Andy Crowley (trumpet), Richard Berry (french horn), Sam Jacobs (french horn), Steppenwolf, John Kay (guitar), Michael Monarch (guitar, background vocalist), Goldy McJohn (keyboards), Rushton Moreve (bass guitar, background vocalist), Jerry Edmonton (drums, background vocalist), Lionel Richie (piano), Simon Chamberlain (celesta), Curtis Ruiz (double bass), Robert Ahwai (guitar), Schola Cantorum of the Cardinal Vaughan Memorial School

Alfredo Lombardi & His Orchestra

Colin Mason (bass), Emil Gerhardt (piano), Brian Kay (bass), Robert Chilcott (tenor vocals), The King's Singers (vocal ensemble), Nigel Perrin (counter-tenor vocals), Alastair Hume (counter-tenor vocals), Alastair Thompson (tenor vocals), Jeremy Jackman (counter-tenor vocals), Bill Ives (tenor vocals) The Kings Singers, Scottish Chamber Orchestra, Carl Davis

Russell Davis, David Davidson

Blue Orchestra

Diana Ross (vocalist), Lionel Richie (vocalist), Kiss, Paul Stanley (vocalist, guitar, bassguitar), Gene Simmons (vocalist, bassguitar), Ace Frehley (vocalist, guitar), Peter Criss (drumkit), Anton Fig (drumkit), Vini Poncia (keyboard), Cliff Richard, Jonathan Tunick, B. Shields, M. Hewitt, S. Knight, Sonny Burke (keyboard), Nathan East (bassguitar), Barnaby Finch (piano), Ed Greene (drumkit), Paul Jackson, Jr. (guitar), Thomas McClary (guitar), Rick Shlosser (drumkit)