56th Grammy Awards performers

Queens of the Stone Age are nominated for rock performance, rock album and best engineered album, non-classical.  (Kevin Winter / Getty Images for CBS Radio)

Nate Ruess is nominated for pop duo/group performance and song of the year (for “Just Give Me a Reason” with Pink).  (Greg Allen / Invision/AP)

Lorde is nominated for song of the year, pop solo performance and pop vocal album.  (Kevin Winter / Getty Images for CBS Radio)

Gary Clark Jr. is nominated for rock song and traditional R&B performance.  (Michael Robinson Chavez / Los Angeles Times)

Nile Rodgers and Chic have canceled their May 10 show at the Hollywood Bowl with Giorgio Moroder.  (Mike Coppola / Getty Images)

Hunter Hayes is nominated for country solo performance.   (Rick Diamond / Getty Images for CMT)

David Grohl will perform with Lindsey Buckingham, Nine Inch Nails and Queens of the Stone Age.  (Richard Hartog / Los Angeles Times)

Carole King will perform with Sara Bareilles.  (Alex Wong / Getty Images)

Pharrell Williams is nominated for producer of the year, non-classical, twice for pop duo/group performance and twice for record of the year (Daft Punk’s “Random Access Memories” and Kendrick Lamar’s “Good Kid, M.A.A.D City).  (Donald Traill / Invision/AP)

Stevie Wonder will perform with Daft Punk.  (Mario Ruiz / EPA)

Pianist Lang Lang will perform with Metallica.  (Lawrence K. Ho / Los Angeles Times)

Robin Thicke is nominated for pop vocal album, record of the year (“Blurred Lines”) and pop duo/group performance.  (Paul Bergen / EPA)

Musician Taylor Swift is nominated for country duo/group performance.  (Scott Barbour / Getty Images)

Ringo Starr will be performing at a post-Grammys show tribute to the Beatles, “The Night That Changed America: A Grammy Salute to the Beatles.”  (Ethan Miller / Getty Images)

Keith Urban is nominated in the category of country duo/group performance.  (Owen Sweeney / Invision / Associated Press)

Singer-songwriter Kacey Musgraves’ “Merry Go ‘Round” is nominated for country song.  (Ethan Miller / Getty Images)

Macklemore and Ryan Lewis will perform and are nominated for album of the year, music video, song of the year, new artist, rap performance, rap song and rap album.  (Theo Wargo / Getty Images for Clear Channel)

Recording artist John Legend is nominated for R&B album.  (Ethan Miller / Getty Images)

Sara Bareilles, nominated for album of the year and pop solo performance, will perform with Carole King.  (Christopher Polk / Getty Images for the People’s Choice Awards)

Paul McCartney will be performing at a post-Grammys show tribute to the Beatles, “The Night That Changed America: A Grammy Salute to the Beatles.”  (Dave Allocca / Associated Press)

Pink, pictured, and Ruess are nominated for song of the year (with Jeff Bhasker) and pop duo/group performance for “Just Give Me a Reason.”  (Steve C.Mitchell / EPA)

Daft Punk -- nominated for record of the year, engineered album-non-classical, dance album and pop duo/group performance -- will perform with Nile Rodgers, Pharrell Williams and Stevie Wonder.  (Matt Sayles / Invision / Associated Press)

Imagine Dragons is nominated for record of the year and rock performance for “Radioactive.”  (Mark Venema / Getty Images for MTV)

Seven-time Grammy winner Willie Nelson, right, and two-time Grammy winner Merle Haggard will be part of the performances.  (The Washington Post / Getty Images)

Blake Shelton is nominated for country solo performance for “Mine Would Be You” and country album for “Based on a True Story.”  (Allen J. Schaben / Los Angeles Times)

Kris Kristofferson is a three-time Grammy winner and 2014 Recording Academy Lifetime Achievement Award recipient.  (Chris Pizzello / Invision / Associated Press)

Kendrick Lamar has seven nominations: new artist, album of the year and rap album for “Good Kid, M.A.A.D City,” R&B performance for “How Many Drinks?” (with Miguel), rap performance for “Swimming Pools (Drank),” rap/sung collaboration for “Now or Never” (with Mary J. Blige), and rap song for “... Problems” (with Tauheed Epps, Aubrey Graham, Rakim Mayers & Noah Shebib).  (Brad Barket / Invision / Associated Press)