Grammy nominations concert 2011

Singer Nicki Minaj and recording artist James Todd Smith "LL Cool J" speak onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Singer Nicki Minaj speaks onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Singer Nicki Minaj speaks onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles, Calif.

Pictures: Grammy nominations backstage

Singer Lady Gaga performs at the Grammy Nominations Concert in Los Angeles on Nov. 30, 2011.

Pictures: Grammy nominations backstage

The Band Perry performs at the Grammy Nominations Concert in Los Angeles on Nov. 30, 2011.

Pictures: Grammy nominations backstage

Kimberly Perry, of The Band Perry, performs at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Taraji P. Henson announces the song of year at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

The Band Perry performs at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Taraji P. Henson announces the song of year at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Bruno Mars announces the nominees for best new artist at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

From left, Lupe Fiasco, Melle Mel, Scorpio, Common and Grandmaster Flash, in background, perform at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Lupe Fiasco performs at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Common performs at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Jason Aldean, left, and Ludacris perform at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Katy Perry announces the album of the year at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Usher performs at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Grandmaster Flash, left, and Scorpio perform at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Valerie Simpson, left, Usher, center, and Mike Stoller perform during a salute to Nick Ashford and Jerry Leiber at the Grammy Nominations Concert on Nov. 30, 2011, in Los Angeles.

Pictures: Grammy nominations backstage

Musician Bruno Mars onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles, Calif.

Pictures: Grammy nominations backstage

Singer Katy Perry onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles, Calif.

Pictures: Grammy nominations backstage

Recording artist James Todd Smith "LL Cool J" speaks onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles, Calif.

Pictures: Grammy nominations backstage

Recording artist James Todd Smith "LL Cool J" (L) and President of the National Academy of Recording Arts and Sciences Neil Portnow onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles, Calif.

Pictures: Grammy nominations backstage

Singer Usher performs onstage during The GRAMMY Nominations Concert Live! Countdown to Music's Biggest Night at Nokia Theatre L.A. Live on Nov. 30, 2011, in Los Angeles, Calif.

Pictures: Grammy nominations backstage

Usher (L) performs with Mike Stoller (R) and Valerie Simpson (unpictured) during the Grammy Nominations Concert in Los Angeles on Nov. 30, 2011.

Pictures: Grammy nominations backstage