This week In One-Off Collaborations 23/52

George Harrison & Eric Clapton, Frank Zappa, John Lennon & Yoko Ono, Journey, Albert King & Luther Allison, Grace Potter & Warren Haynes, Imelda May & Jeff Beck, Ariana Grande & Chris Martin, Joan Baez & Bob Dylan, Little Feat, Emmylou Harris & Bonnie Raitt, Sharon Jones & Susan Tedeschi, Luciano Pavarotti & Eurythmics, My Morning Jacket & Boston Pops Orchestra, Erykah Badu & The Brooklyn Philharmonic

Singing With Mariah Carey

Luther Vandross, Olivia Newton-John, Boyz II Men, Miguel, Aretha Franklin, Luciano Pavarotti, Patti Labelle, Ne-Yo, Westlife, Patricia Carey, John Legend, Brian McKnight

Singing With George Michael

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

Singing With Sting

Paul Simon, Eric Clapton, Robert Downey Jr, Bruce Springsteen, Luciano Pavarotti, Sheryl Crow, Lady Gaga, Toby Keith , Mary J. Blige, John Mayer, Kanye West, Stevie Wonder, Steven Tyler, Jeff Beck

Singing (and playing) With B.B. King

Buddy Guy, John Mayer, Ray Charles, U2, Ruth Brown, Richie Sambora, Gary Moore, Tracy Chapman, David Gilmour, Luciano Pavarotti, Gladys Knight, Jerry Reed