Lady Gaga performs during the second day of the iHeartRadio Music Festival at the MGM Grand Garden Arena in Las Vegas, Nevada September 24, 2011.[Photo/Agencies]

NEW YORK - Lady Gaga and Jason Aldean - possible contenders for next year's Grammy Awards - are set to perform during the annual nominations special next month.

LL Cool J will again host the show, to air live on CBS on Nov. 30. A handful of the 78 categories will be announced at the event, to be held at the Nokia Theatre in Los Angeles. The Recording Academy earlier this year reduced the number of categories, which had totaled 109.

The Grammys will be held Feb. 12 in Los Angeles and will air live on CBS.