The "Grammy Nominations Concert Live-Countdown To Music's Biggest Night' happens tonight on CBS.  As you'd expect, some of the biggest stars in the music business will be part of the one hour show.Lorde, Taylor Swift, Katy Perry, Keith Urban, Robin Thicke and members of Earth, Wind and Fire are among the performers for tonight's Grammy special.

This is the first time ever the show will be on a Friday not Wednesday night.  CBS is hoping to pull in more viewers with the move.

Thanks to technology, not all the performers have to be onstage in LA  for the show.  Taylor Swift, who's currently on her Red Tour, will be beaming in from Australia.  Katy Perry's performance will be from Canada.

During the show, nominees for the January 26th Grammy's show will be announced.  Tune in to CBS at 10 tonight to see if your favorite made the cut.