- Studio All-Stars
- Judy Garland
- Nina Simone
- Dionne Warwick
- Stas Pieha
- Mimis Plessas
- Charles Aznavour
- Tom Jones
- Barry Manilow
- Diamanda Galás
- Meryl Streep
- Tony Bennett
- Peggy Lee
- Sarah Brightman
- Julie Andrews
- Marilyn Monroe
- Valeriya
- Dalida
- Panos Kalidis
- Luciano Pavarotti
- Perry Como
- Michael Bublé
- Zucchero
- Édith Piaf
- Bing Crosby
- Bobby Darin
- Cast of Mamma Mia! the Movie
- Johnny Mathis
- Lolita
- Petula Clark
- Manizha
- Nancy Ajram
- Nancy Ajram
- Josh Groban
- The Andrews Sisters
- Bryan Ferry
- Doris Day
- Tina Turner
- Aretha Franklin
- Collabro
- Mario Frangoulis
- Amanda Seyfried
- Johnny Nash
- Chaka Khan
- Stacey Kent
- Natalie Cole
- Etta James
- Willam
- Toby Turner
- Bette Midler
- Paolo Conte
- Barbra Streisand
- Diana Krall
- Chic
- Westlife
- Booker T. & The M.G.'s
- Tamta
- Jonathan & Charlotte
- Billie Holiday
- Idina Menzel
- Madeleine Peyroux
- The Righteous Brothers
- Bobby McFerrin
- Dick Dale
- The Platters
- Dean Martin
- The Pointer Sisters
- Tina Charles
- Louis Armstrong
- Mina
- Yves Larock
- Il Divo
- Céline Dion
- Harry Belafonte
- Shirley Bassey
- Andrew Lloyd Webber
- Ray Charles
- Stan Getz
- Engelbert Humperdinck
- Bonnie Tyler
- Despoina Olympiou
- Carly Simon
- Florin Salam
- Gloria Gaynor
- Julie London
- Nana Mouskouri
- NateWantsToBattle
- Diana Ross
- Elton John
- Julio Iglesias
- Neil Diamond
- Chubby Checker
- Aleka Kanellidou
- Frank Sinatra