2012 GRAMMY Awards Highlights from the Friday Rehearsals

­Behind-the-scenes coverage of Friday's rehearsal for the 54th Annual GRAMMY Awards.

Glen Campbell

1. Glen Campbell

Glen Campbell rehearses on the stage of The 54th Annual GRAMMY Awards set up in Los Angles on Friday, February 10, 2012. Photo: Heather Wines/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.
Bruce Springsteen

2. Bruce Springsteen

Bruce Springsteen during rehearsals for The 54th Annual GRAMMY Awards on Friday, February 10, 2012 at The Staples Center in Los Angeles. Photo: Heather Wines/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.
Rehearsal

3. Rehearsal

LL Cool J during rehearsals for The 54th Annual Grammy Awards. Photo: Heather Wines/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.
LL Cool J

4. LL Cool J

LL Cool J during rehearsals for The 54th Annual Grammy Awards. Photo: Heather Wines/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.