- Harry Connick, Jr.
- Nat "King" Cole
- Eddie Fisher
- Gino Vannelli
- Sixpence None the Richer
- Ada Ehi
- ERA
- Charlotte Cardin
- Lisa Stansfield
- Ludivine
- Shirley Bassey
- Phil Gould
- The Canadian Tenors
- Matt Dusk
- Neal E. Boyd
- BYU Vocal Point
- Human Nature
- Lolita
- Alfio
- Natalie Cole
- Sean Smith
- Polina Gagarina
- Meow Meow
- Art of Time Ensemble
- Madeleine Peyroux
- Pat Boone
- Bobby McFerrin
- Lizz Wright
- G Flip
- Jonas Tomalty
- Shani
- Ray Quinn
- Peter Hollens
- Patti Page
- Michael Bublé
- Maddi Jane
- Jasmine Rae
- Mary Zilba
- Leandra Ramm
- Shana Halligan
- The Long Tangles
- Ronnie Williams
- Pearl Bailey
- Il Divo
- Larry Gatlin & The Gatlin Brothers
- Tony Carreira
- Papaya
- Sonos
- Magalie
- Alfie Boe
- Emma Blackery
- Cody Frost
- The Black Mamba
- Liza Minnelli
- Dance to Tipperary
- Josh Groban
- Tones And I
- Amaury Vassili
- Hayley Westenra
- Lesley Garrett
- Liv Dawson
- Tony Light
- Soranno
- Norah Jones
- Anjani Thomas
- Jonathan Antoine
- Dmitriy Malikov
- Chubby Checker
- Isak Danielson
- Sarah Àlainn
- Bryn Terfel
- Anna Maria Alberghetti
- k.d. lang
- Dima Bilan
- Polina Grace
- Nancy Sinatra
- The Manhattan Transfer
- Natasha Marsh
- Faryl Smith
- CRBL
- Tony Bennett
- Céline Dion
- Al Martino
- Kristin Chenoweth
- Jimmy Somerville
- Katrina (Katrina and the Waves)
- The Four Aces
- Guy Sebastian
- Kristian Kostov
- Judy Garland
- Yanni
- All-4-One
- Diana Krall
- Mike Strickland
- Mark Vincent
- Yanni Voices
- Si Cranstoun
- Miguel Gameiro
- Andreea Banica