- Camille
- Elvis Presley
- The Cast of High School Musical
- Carmen Twillie
- Vanessa Williams
- 98°
- Phil Harris
- The All-American Rejects
- Adriana Caselotti
- Rob Thomas
- Original Broadway Cast
- Hayden Panettiere
- Paige O'Hara
- Peggy Lee
- Ricky Martin
- Rowan Atkinson
- Phil Collins
- Jonathan Young
- Randy Newman
- Roger Bart
- Billy Joel
- Angela Lansbury
- Julie Andrews
- Jesse McCartney
- Jerry Goldsmith
- Elton John
- They Might Be Giants
- Aly & AJ
- Stig Rossen
- The Cheetah Girls
- Lyle Lovett
- Helen Reddy
- Anika Noni Rose
- Barenaked Ladies
- Smash Mouth
- Heather Headley
- Peter Hollens
- Björn Skifs
- Judy Kuhn
- Cheryl Freeman
- Carly Simon
- Belinda Carlisle
- Birgitte Raaberg
- Karliene
- Joel McNeely
- Jonas Brothers
- The Philadelphia Orchestra
- Jennifer Rush
- Lea Salonga
- Aaron Carter
- Jim Brickman
- The City of Prague Philharmonic Orchestra
- Alan Menken
- Monique
- Danny Elfman
- Jamelia
- Lindsay Lohan
- Bette Midler
- Lou Rawls
- A*Teens
- Kamehameha Schools Children's Chorus
- Disney Studio Chorus
- Cam Clarke
- Mark Mancina
- Cam Clarke
- Mark Mancina
- Boyzone
- Jamie Morton
- Corbin Bleu
- Maurice Chevalier
- Gabriella Montez
- Brad Kane
- Ruben Blades
- Martina McBride
- Amy Adams
- Barbara Hendricks
- Hans Zimmer
- Hannah Montana
- Christina Aguilera
- Bruce Reitherman
- Ernie Sabella
- Alan Silvestri
- Samuel E. Wright
- Matthew Wilder
- Geek Music
- The Chieftains
- Louis Prima
- Cliff Edwards
- Wynonna
- Taylor Davis
- Disney Characters
- Jordan Pruitt
- *NSYNC
- Dick Van Dyke
- Jodi Benson