Adya e Manuel Palomo
 Alan Parsons and Lou Gramm
 Alison Moyet e Boyzone
 Andrea Bocelli e Sarah Brigthman
 Andrea Bocelli e Shania Twain
 Anthony Callea and Melbourne Symphony Orchestra
 Apple E Stone
 Aretha Franklin e George Michael
 Ariana Grande e John Legend
 Ariana Grande e Justin Bieber
 Austin Giorgio and Brett Hunter
 B.B. King e Van Morrison
 Babyface and Lisa Stansfield
 Backstreet Boys and Florida Georgia Line
 Barbra Streisand and Michael Buble
 Barbra Streisand e Neil Diamond
 Bernie Barlow and Chelsea Williams
 Bill Medley e Jennifer Warnes
 Bonnie Raitt e Bryan Adams
 Brad Paisley E Sara Evans
 Bryan Adams e Friday Night
 Celine Dion e The Bee Gees
 Charlie Puth E Selena Gomez
 Daniele Alexander and Butch Baker
 David Foster e Laura Pausini
 Diana Krall e Christian McBride
 Diana Ross e Lione Richie
 Diana Ross e Marvin Gaye
 Ed Sheeran e Beyonce
 Elton John e Kiki Dee
 Enrique Iglesias e Whitney Houston
 Eros Ramazzotti
 Ewan Mcgregor e Nicole Kidman
 Frank Sinatra e Julio Iglesias
 Freddie Mercury e Montserrat Caballe
 Jason Mraz e Colbie Caillat
 Javi Escalera e Geleende Juwelen
 Jay-z e Alicia Keys
 Joe Cocker e Jennifer Warnes
 Joe Pizzulo e Leza Miller
 John Denver e Placido Domingo
 John Travolta e Olivia Newton John
 Johnny Mathis e Deniece Williams
 Kenny Rogers e Dolly Parton
 Kenny Rogers e Sheena Easton
 Lady Gaga e Bradley Cooper
 Lisa Stansfield e Barry White
 Maroon 5 e Megan Thee Stallion
 Maruca e Anastacia
 Michael Jackson e Siedah Garrett
 Nancy Sinatra e Frank Sinatra
 Nat King Cole e Natalie Cole
 Nek Laura Pausini
 Patti Austine James Ingram
 Patti LaBelle e Michael McDonald
 Paul Anka e Odia Coates
 Paul McCartney e Linda McCartney
 Paul McCartney e Michael Jackson
 Peabo Bryson e Regina Belle
 Peabo Bryson e Roberta Flack
 Peter Cetera e Amy Grant
 Peter Cetera e Crystal Bernard
 Phil Collins e Marilyn Martin
 Philip Bailey e Phil Collins
 Puff Daddy e Faith Evans
 R. Kelly e Celine Dion
 Ray Charles E Diana Krall
 Regine Velasquez E Christopher
 Richard Marx e Lara Fabian
 Roberta Flack e Donny Hathaway
 Sam Smith e Calvin Harris
 Sara Evans e Todd
 Savannah Outen E Jake Coco
 Shakira e Manuel Turizo
 Shawn Mendes e Camila Cabello
 Simon e Garfunkel
 Stacey Kent e John Parricelli
 Stacy Lattisaw e Johnny Gill
 The Weeknd e Ariana Grande
 Tony Bennett e Diana Krall
 Usher e Alicia Keys
 Westlife Quiz E Larossi
 Whitney Houston E Germaine Jackson
 Whitney Houston e Mariah Carey
 Willie Nelson E Paula Nelson
 Zayn e Becky G
 Zayn e Zhavia