STAGE TUBE: Sneak Peek - Tonight's GRAMMY NOMINATIONS CONCERT LIVE! on CBS

Country artist Jason Aldean, Katy Perry, Usher, and five-time GRAMMY® Award winner Lady Gaga are among the many stars who will be performing on tonight's THE GRAMMY® NOMINATIONS CONCERT LIVE! - COUNTDOWN TO MUSIC'S BIGGEST NIGHT.® Two-time GRAMMY® Award winner LL Cool J will again host. The special will broadcast live from the Nokia Theatre L.A. LIVE in Los Angeles from 10:00-11:00 PM, live ET/delayed PT on the CBS Television Network. LL Cool J, who currently stars on "NCIS: LOS ANGELES," has hosted the past three years.

The show will announce nominations in several categories as well as feature performances by past GRAMMY® winners and/or nominees. This marks the fourth consecutive year that nominations for the annual GRAMMY® Awards will be announced live on primetime television, setting the stage for the annual GRAMMY® Awards telecast.

The road to Music's Biggest Night begins with THE GRAMMY® NOMINATIONS CONCERT LIVE! and culminates with THE 54th ANNUAL GRAMMY® AWARDS at STAPLES Center in Los Angeles live on Sunday, Feb. 12, 2012 (8:00-11:30 PM, live ET/delayed PT) on the CBS Television Network.

Tickets for THE GRAMMY® NOMINATIONS CONCERT LIVE! - COUNTDOWN TO MUSIC'S BIGGEST NIGHT® go on sale on Friday, Oct. 28, 2011, and are available online at www.nokiatheatrelalive.com and via Ticketmaster charge-by-phone lines at 800.745.3000. For discounts on groups of 10 or more and for more information on VIP packages, visit www.aegtickets.com or call 877-234-8425.

THE GRAMMY® NOMINATIONS CONCERT LIVE! - COUNTDOWN TO MUSIC'S BIGGEST NIGHT® is produced by AEG Ehrlich Ventures, LLC. Ken Ehrlich is the executive producer. LL Cool J is a producer.

To get a sneak peek at tonight's concert, click below!