Washington, Nov 19 : Popstar John Mayer is set to headline the Grammy Nomination Concert event alongside Foo Fighter and B. B. King in Los Angeles.

The concert will take place in December and Mariah Carey and Taylor Swift will also be co-hosting the event, which is to be held at the Nokia Theatre.

The co-hosts will reveal the nominees for many Grammy categories, reports Contactmusic.

Although the nominations will be made public in December, the awards will be awarded at the 2009 Grammy Award Event, which will be held on 8 February (09). (ANI)