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