- Jackie Wilson
- Crooner All Stars
- Skeeter Davis
- Christine Baranski
- New Wine
- Lou Christie
- Bette Midler
- Barbra Streisand
- David Essex
- Paul Robeson
- Marilyn Monroe
- The Rift
- Amanda Seyfried
- Barry Manilow
- The Pointer Sisters
- Westlife
- Tom Jones
- Kamazu
- Jill Andrews
- Julio Iglesias
- Frank Sinatra
- Lonney Love
- Lara Fabian
- Samantha Cole
- Beautiful Chorus
- Mark Masri
- LaRue Howard
- The Ten Tenors
- UnplUgged
- Rico Rolando
- Rico Rolando
- Peter Sarstedt
- Toby Turner
- Phil Harris
- Carmen McRae
- Julie Walters
- Little Eva
- Maroon 5
- Nat "King" Cole
- Daniel O'Donnell
- Leontyne Price
- Janet Jackson
- Kate Fontana
- Dooley Wilson
- David Campbell
- The Crystals
- Cast of Mamma Mia! the Movie
- Bad Lip Reading
- Harry Connick, Jr.
- The Starlite Singers
- Luke Masih
- Cina Soul
- BYU Vocal Point
- Johnny Mathis
- Whisper
- 2Baba
- Valerie DeLaCruz
- Levixone
- Doris Day
- Jimmy Durante
- The Gospel Truth Choir
- New Wine
- Shirley Bassey
- Bryan Ferry
- Josh Groban
- Dalida
- Il Divo
- Gary Moore
- Rose Royce
- Connie Conway
- Luciano Pavarotti
- Self Help
- Patti Page
- Meryl Streep
- Amr Diab
- Céline Dion
- Jericho Rosales
- Ray Price
- Rod Stewart
- Teö
- Lea Salonga
- Michael Bublé
- Sammy Davis, Jr.
- Carol Banawa
- Shania Twain
- Andy Williams
- Engelbert Humperdinck
- Brook Benton