Barbra Streisand's 'Partners' is her thirty-fourth studio album devoted to vocal duets and released on September 16, 2014.

Frank Ocean's 'Channel Orange' is his debut studio album featuring John Mayer, Earl Sweatshirt and André 3000 as guests, produced by Malay, Om'Mas Keith and Pharrell Williams among others and released on July 10, 2012 by Def Jam Recordings.

The View, Limp Bizkit, Queens Of The Stone Age, Avril Lavigne, The Strokes, Nelly Furtado, Tom Jones, Stereophonics, Ladyhawke, Elton John, Manic Street Preachers, Melanie C, Goldfrapp

Elton John, David Gray, Bright Eyes, Erasure, Travis, Little Man Tate, Trina, Keyshia Cole, Amy Winehouse, Anastacia, Bardot, BBMak

David Bowie, John Mayer, John Kay, Michael Stipe, Lowell George, Bob Dylan, David Bromberg, Andy Williams, Garland Jeffreys, Jason Mraz, Elton John, Kendrick Lamar

Joss Stone, Rod Stewart, James Morrison, Robbie Williams, James Brown, Smokey Robinson, Jeff Beck, Tom Jones, John Legend, Ricky Martin, Rob Thomas, Lemar, Elton John

Elvis Presley, Deep Purple, Little Feat, David Bowie, Bob Marley, The Wailers, Fleetwood Mac, Al Green, Elton John, Aztec Two Step, Aretha Franklin, Stevie Wonder, Barbra Streisand

Herbie Hancock, The Cure, Violent Femmes, Tracy Chapman, Chaka Khan, Soul II Soul, Stray Cats, David Bowie, Fleetwood Mac, Elton John, R.E.M., Judas Priest

Londonbeat, The Beloved, Duran Duran, Jean Michel Jarre, Ant & Dec, Aqua, Elton John, Oasis, Aphex Twin, Bjork, Tori Amos, Culture Beat

Bonnie Raitt & Norah Jones, Chris Botti & Steven Tyler, Bruce Springsteen & Jimmy Cliff, Elton John & Leann Rimes, Wynton Marsalis & Eric Clapton, Eddie Vedder & Rahat Fateh Ali Khan, Mariah Carey & Snoop Dogg, Usher & Nicki Minaj, Madness & Ian Dury, The Rolling Stones & AC/DC, Beck Bogert & Appice, Tom Jones & Jerry Lee Lewis

Pink Floyd, Tracy Chapman, Counting Crows, PJ Harvey, Eric Clapton, Thom Yorke, Elton John, Leann Rimes, Elliott Smith, Aerosmith, Mariah Carey, Genesis, AC/DC

Elton John, Dollar, Sade, Cher, Alison Moyet, Vanessa Williams, ABBA, David Grant & Jaki Graham, Jermaine Jackson, Smokey Robinson, Kool & The Gang, Narada Michael Walden

Boz Scaggs, Dan Fogelberg, Damon Albarn, Jamie Cullum, Tom Waits, Daryl Hall, John Oates, Elton John, George Michael, Paul Young, Usher, America, Mink DeVille, Elvis Presley, John Denver, Glen Campbell

Blur, Depeche Mode, Texas, Sinéad O'Connor, U2, Depeche Mode, Stevie Wonder, Bell Biv DeVoe, Duran Duran, George Michael, Elton John, Arrested Development, Steve Vai

George Benson, Chaka Khan, Paul Young, The Rolling Stones, Elton John, Anita Baker, Van Halen, Bob Dylan, Journey, The Cars, ZZ Top, Madonna

Dean Martin & Tony Bennett, George Benson & Carlos Santana, Jeff Beck & Imelda May, Mavis Staples & Jonny Lang, Allman Brothers & Eric Clapton, Bruce Springsteen & Melissa Etheridge, Billy Joel & John Fogerty, Stevie Wonder & Chaka Khan, Dolly Parton & Elton John, John Denver & Glen Campbell, Jerry Garcia & David Grisman, Jorge Ben & Lucio Dalla

The Mock Turtles, Kula Shaker, a-ha, Ben Folds Five, Paul Weller, Wet Wet Wet, Ned's Atomic Dustbin, Supergrass, Alannah Myles, Inspiral Carpets, George Michael, Elton John, Bon Jovi

Adam Ant, Roni Size Reprazent, Soundgarden, Depeche Mode, Pop Will Eat Itself, The Cranberries, Savage Garden, The Beatles, Julee Cruise, Muse, Madonna, Elton John

Simply Red, Crowded House, Suzanne Vega, Space, The Notting Hillbillies, The Corrs, Cowboy Junkies, Lenny Kravitz, Chantal Kreviazuk, Dan Hill, Live, Elton John, RuPaul

Pete Shelley, Big Audio Dynamite, ZZ Top, Julian Lennon, Soft Cell, Kajagoogoo, Gary Moore, The Wedding Present, Yoko Ono, Elton John, a-ha, Russ Ballard

Korn, The Prodigy, 808 State, PJ Harvey, Enigma, The Beautiful South, Elton John, Sinéad O'Connor, Bad Religion, Pavement, Red Hot Chili Peppers, The Wonder Stuff

Barbra Streisand, Wet Wet Wet, Damn Yankees, Deacon Blue, Duran Duran, BT, Richard Darbyshire, Elton John, Gin Blossoms, Meshell Ndegeocello, Bobby Brown & Whitney Houston, Jomanda

Swans Way, The Undertones, Elton John, Then Jerico, Hot!House, Sade, Simple Minds, Glass Tiger, Hue & Cry, Pat Benatar, Black, Regina

The Specials, Kool & The Gang, Kurtis Blow, Jeffrey Osborne, Sharon Redd, James Ingram & Michael McDonald, Whodini, George Benson , LL Cool J, The Buggles, Re Flex, Elton John

Pink Floyd, David Bowie, Elton John, Steve Miller Band, Chicago, ABBA, Little Feat, Cheap Trick, T. Rex, Van Halen, Styx, Kiss

The Zutons, Kings Of Leon, The Others, Lightspeed Champion, Sons And Daughters, The Wildhearts, Everlast, The Cooper Temple Clause, Koot, Feeder, Elton John, Keane

Roger Waters & Eric Clapton, Tommy Emmanuel & John Knowles, Ryuichi Sakamoto & Caetano Veloso, Junior Walker & Buddy Miles, Etta James & Chuck Berry, Beth Hart & Joe Bonamassa, Ray Charles, Andy Williams, Cass Elliot & Elton John, Mick Taylor & Jack Bruce, Joe Perry, Slash & Johnny Depp, Bono & Johnny Depp, Brandi Carlile & Audioslave, Angelique Kidjo, Dianne Reeves & Lizz Wright

Steely Dan, Boney M., Sammy Hagar, The Cars, David Bowie, ABBA, Elton John, Ry Cooder, Chicago, Rod Stewart, Genesis, Sex Pistols

Allure, 3T, Shanice & Jon Secada, Elton John, Madonna, Chris Isaak, Bon Jovi, Meat Loaf, The Corrs, Shai, Peter Andre, Lisa Stansfield

James Corden, Elton John, Paul Youn, Queen, Smokey Robinson, Stevie Wonder, Mary J. Blige, Mutya Buena, Whitney Houston, Aretha Franklin, Lisa Stansfield, Luciano Pavarotti

Billy Preston, Elton John, Jimmy Cliff, Albert Hammond, Bryan Adams, INXS, Ray Charles, Leon Russell, Lovin' Spoonful , The Box Tops, Dave Mason, Randy Newman

Ace Of Base, The Cure, Shakin' Stevens, Madness, Status Quo, Orchestral Manoeuvres In The Dark, Meat Loaf, Alanis Morissette, Phil Collins, LeAnn Rimes, Jimmy Page, Robert Plant, Elton John, Luciano Pavarotti

Busted, They Might Be Giants, Gorillaz, Fleet Foxes, Arcade Fire, The Alan Parsons Project, Daft Punk, Tom Petty & The Heartbreakers, Zero 7, Elton John, Radiohead, Dire Straits

Paul Simon, The La's, Elton John, Cliff Richard, The Lemonheads, Lolly, Metallica, Erasure, Dolly Parton, Enya, Rod Stewart, Innocence

Siouxsie And The Banshees, Shakin' Stevens, Def Leppard, The Pogues, Level 42, Elton John, Thelma Houston, Texas, Big Country, A-Ha, Chris Rea, London Boys