Elton John and Eminem
Collaboration:Performing “Stan” at the 2001 Grammys
Hayley Williams of Paramore and B.O.B.
Collaboration:“Airplanes”
Nick Cave And Kylie Minogue
Collaboration:“Where the Wild Roses Grow”
Paul McCartney, Kanye West, and Rihanna
Collaboration:“FourFiveSeconds”
Meshell Ndegeocello and John Mellencamp
Collaboration:“Wild Night”
Blink-182 and Robert Smith of The Cure
Collaboration:“All of This”
Tim McGraw and Nelly
Collaboration:“Over and Over”
Rob Thomas and Santana
Collaboration:“Smooth”
U2 and Luciano Pavarotti
Collaboration:“Miss Sarajevo”
Disclosure and Sam Smith
Collaboration:“Latch”
Nelly Furtado and Timbaland
Collaboration:“Promiscuous”
Mary J. Blige and Method Man
Collaboration:“I’ll Be There For You”
Tammy Wynette and The KLF
Collaboration:“Justified and Ancient”
T-Pain and Taylor Swift
Collaboration:“Thug Story”
Loretta Lynn and Jack White
Collaboration:“Portland, Oregon”
Madonna and Britney Spears
Collaboration:“Me Against the Music”
Salt-n-Pepa and En Vogue
Collaboration:“Whatta Man”
Sheryl Crow and Kid Rock
Collaboration:“Picture”
Nate Ruess of Fun.
and Pink
Collaboration:“Just Give Me a Reason”
Want more?EW has detailed the best in movies, TV, music, and books for 25 years with the Must List, and in celebration,The Must List: Ranking the Best in 25 Years of Pop Cultureis out now.

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This gallery is an excerpt from the book.The Must List: Ranking the Best in 25 Years of Pop Cultureis in stores now, oravailable for order online.

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