- Rod Stewart
- Diana Ross
- Julio Iglesias
- Chris Rea
- Joan Baez
- Anastacia
- Nina Simone
- Luciano Pavarotti
- Édith Piaf
- John Denver
- Norah Jones
- Charles Aznavour
- Engelbert Humperdinck
- Barry Manilow
- Miracle of Sound
- Dominik Hauser
- Bonnie Tyler
- Dario G
- Elton John
- Hugh Jackman
- Nancy Sinatra
- Elvis Presley
- Amanda Seyfried
- Napoleon Bonaparte
- Lara Fabian
- Harry Nilsson
- Zucchero
- Montserrat Caballé
- Céline Dion
- Andy Williams
- Richard Clayderman
- Al Jarreau
- The Chordettes
- Iggy Pop
- Petr Muk
- Westlife
- Paul Anka
- Tony Bennett
- Tina Turner
- The Bangles
- Little Richard
- Nat "King" Cole
- Dean Martin
- Louis Armstrong
- Willie Nelson
- Maroon 5
- London Symphony Orchestra
- Jamie Cullum
- Il Divo
- Paul Simon
- Etta James
- Adriano Celentano
- Gala
- Alla Pugacheva
- Cast of Mamma Mia! the Movie
- Andrea Bocelli
- Cliff Richard
- Barbra Streisand
- Ray Charles
- Paolo Conte
- Ray Charles
- Paolo Conte
- Keala Settle
- Brenda Lee
- Diana Krall
- Idina Menzel
- Ella Fitzgerald
- Bobby McFerrin
- Bob Dylan
- Henry Mancini
- Shakin' Stevens
- Katie Melua
- Donna Lewis
- Gilbert Bécaud
- Jennifer Rush
- The Pointer Sisters
- Ben E. King
- The Mamas & The Papas
- Bambini di Praga
- Michael Bublé
- Neil Diamond
- Frank Sinatra
- Shalom
- Martin Luther King Jr.
- Al Bano Carrisi
- Peter Hollens
- Royal Philharmonic Orchestra
- Albert Pike
- Sting