Musician Cindy Lauper addresses the audience on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Jennifer Gason winner of the Grammy For Best children's Album, hoists her trophy on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Performer cindy Lauper addresses the audience on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Performer cindy Lauper addresses the audience on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Performer cindy Lauper addresses the audience on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Jennifer Gasoi poses with her trophy for Best Children's Album during the 56th Grammy Awards at the Staples Center in Los Angeles on January 26, 2014. AFP PHOTO/Joe KLAMAR

Performer cindy Lauper arrives on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Performer cindy Lauper arrives on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Jennifer Gasoi poses with her trophy for Best Children's Album during the 56th Grammy Awards at the Staples Center in Los Angeles on January 26, 2014. AFP PHOTO/Joe KLAMAR

Nominee For Best Pop Instrumental Album Dave Koz (L), Mindi Abair (R) and Verdine White perform on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Pop Instrumental Album Dave Koz (L), Mindi Abair (R) and Verdine White perform on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Pop Instrumental Album Dave Koz (R), Gerald Albright (L), and Verdine White perform on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Mindy Abair performs on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Pop Instrumental Album Mindi Abair and Richard Elliot (R) perform with Verdine White on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Composer Brent Fischer poses with the trophy for the Best Instrumental Composition award on behalf of late composer Clare Fischer for 'Pensamientos for Solo Alto Saxophone and Chamber Orchestra' during the 56th Grammy Awards at the Staples Center in Los Angeles on January 26, 2014. AFP PHOTO/Joe KLAMAR

La Marisoul of La Santa Cecili performs on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

La Marisoul of La Santa Cecili performs on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Composer Brent Fischer poses with the trophy for the Best Instrumental Composition award on behalf of late composer Clare Fischer for 'Pensamientos for Solo Alto Saxophone and Chamber Orchestra' during the 56th Grammy Awards at the Staples Center in Los Angeles on January 26, 2014. AFP PHOTO/Joe KLAMAR

Nominee For Best Pop Instrumental Album Dave Koz (2nd L), Gerald Albright (L), Mindi Abair (2nd R) and Richard Elliot (R) perform with Verdine White (C) on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Pop Instrumental Album Dave Koz (2nd L), Gerald Albright (L), Mindi Abair (2nd R) and Richard Elliot (R) cheer with Verdine White (C) on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Pop Instrumental Album Dave Koz (2nd L), Gerald Albright (L), Mindi Abair (2nd R) and Richard Elliot (R) perform with Verdine White (C) on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

La Marisoul of La Santa Cecili performs on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Composer Brent Fischer poses with the trophy for the Best Instrumental Composition award on behalf of late composer Clare Fischer for 'Pensamientos for Solo Alto Saxophone and Chamber Orchestra' during the 56th Grammy Awards at the Staples Center in Los Angeles on January 26, 2014. AFP PHOTO/Joe KLAMAR

La Marisoul of La Santa Cecili gives her acceptance speech after winning a Grammy For "Best Latin Rock, Urban or Alternative Album" at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

La Marisoul of La Santa Cecili gives her acceptance speech after winning a Grammy For "Best Latin Rock, Urban or Alternative Album" at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Regional Mexican Music Album "A Mi Manera" Mariachi Divas De Cindy Shea (L) is embraced after winning a Grammy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Regional Mexican Music Album "A Mi Manera" Mariachi Divas De Cindy Shea (C) gives her acceptance speech at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Regional Mexican Music Album "A Mi Manera" Mariachi Divas De Cindy Shea (L) gives her acceptance speech at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Regional Mexican Music Album "A Mi Manera" Mariachi Divas De Cindy Shea gives her acceptance speech at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Musician Cedric Gervais poses with his trophy for Best Remixed Recording, Non-Classical Award for "Summertime Sadness" during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO / JOE KLAMAR

Musician Cedric Gervais poses with his trophy for Best Remixed Recording, Non-Classical Award for "Summertime Sadness" during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO / JOE KLAMAR

Winner For Best Jazz Vocal Album "Liquid Spirit" Gregory Porter gives his acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Jazz Vocal Album "Liquid Spirit" Gregory Porter gives his acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Jazz Vocal Album "Liquid Spirit" Gregory Porter gives his acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Bluegrass Album "The Streets Of Baltimore" Del McCoury Band accept their trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Bluegrass Album "The Streets Of Baltimore" Del McCoury Band accept their trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Regional Roots Music Album "Dockside Sessions" Terrance Simien & The Zydeco Experience accept their trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Regional Roots Music Album "Dockside Sessions" Terrance Simien & The Zydeco Experience accept their trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Americana Album "Old Yellow Moon' Rodney Crowell accepts the trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best American Roots Song "Love Has Come For You' Steve Martin (& Edie Brickell) accepts the trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best American Roots Song "Love Has Come For You' Steve Martin (& Edie Brickell) goes on stage to accept the trophy at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Dance Recording Zedd and Foxes arrive on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Dance Recording Zedd and Foxes arrive on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Dance Recording Zedd and Foxes arrive on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Dance Recording Zedd and Foxes react on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Dance Recording Zedd and Foxes react on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Dance Recording Zedd and Foxes give their acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Comedy Album Kathy Griffin arrives to give her acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Comedy Album Kathy Griffin arrives to give her acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Comedy Album Kathy Griffin arrives to give her acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Comedy Album Kathy Griffin arrives to give her acceptance speech on stage at the pre-telecast show for the 56th Grammy Awards at the Nokia Theater in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

LL Cool J. performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles and Jay-Z perform on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles and Jay-Z perform on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles and Jay-Z perform on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles and Jay-Z perform on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best New Artist Macklemore (C) and Ryan Lewis accept their trophy on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best New Artist Macklemore (C) and Ryan Lewis accept their trophy on stage as Pharrell Williams and Anna Kendrick, presenters, look on during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best New Artist Macklemore (C) and Ryan Lewis accept their trophy on stage as Pharrell Williams and Anna Kendrick, presenters, look on during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best New Artist Macklemore (and Ryan Lewis) accepts the trophy on stage the 6th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Song Of The Year "Royals" Lorde performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Song Of The Year "Royals" Lorde performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Song Of The Year "Royals" Lorde performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Song Of The Year "Royals" Lorde performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Nominee For Best Song Of The Year "Royals" Lorde performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Pharrell Williams and Anna Kendrick introduce the Winner For Best New Artist on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Pharrell Williams and Anna Kendrick introduce the Winner For Best New Artist on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Hunter Hayes performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Hunter Hayes performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Hunter Hayes performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Pharrell Williams bows to Winners For Pest Pop Performance Daft Punk on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Actress Anna Faris (L) presents the Grammy to Daft Punk on stage at the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Pest Pop Performance Daft Punk, Pharrell Williams (L) and Nile Rodgers (2nd R) appear on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Actress Anna Faris (L) presents the Grammy to Daft Punk on stage at the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Pop Performance Daft Punk, Pharrell Williams (L) and Nile Rodgers (2nd R) appear on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Hunter Hayes performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Grammy winners Daft Punk accept their trophy on stage at the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Juicy-J performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Beyonce Knowles performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

John Legend performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Robin Thicke performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Keith Urban performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Keith Urban performs on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Katy Perry performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Dave Grohl accepts the trophy For Best Rock Song (Paul McCartney, Dave Grohl, Krist Novoselic and Pat Smear) on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Rock Song Paul McCartney (L) and Dave Grohl (with Krist Novoselic and Pat Smear) give their acceptance speech on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Rock Song Paul McCartney (L) and Dave Grohl (with Krist Novoselic and Pat Smear) give their acceptance speech on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winner For Best Rock Song Dave Grohl (with Paul McCartney, Krist Novoselic and Pat Smear) gives his acceptance speech on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Rock Song Dave Grohl (C) with Paul McCartney (L), Krist Novoselic and Pat Smear give his acceptance speech on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Rock Song Dave Grohl (R) with Paul McCartney (L), Krist Novoselic and Pat Smear give his acceptance speech on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Winners For Best Rock Song Dave Grohl (R) with Paul McCartney (L), Krist Novoselic and Pat Smear give his acceptance speech on stage during the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Taylor Swift performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Bruno Mars performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN

Bruno Mars performs on stage for the 56th Grammy Awards at the Staples Center in Los Angeles, California, January 26, 2014. AFP PHOTO FREDERIC J. BROWN