The 55th Annual Grammy award nominees were announced by Taylor Swift and LL Cool J last night, live from Nashville, and the pack could not be more diverse.  Pop, rock, country, rap were all represented in the list of most nominated artists.

It's a six way tie for most nominations between The Black Keys' Dan Auerbach, Fun., Jay-Z, Mumford & Sons, Frank Ocean & Kanye West all got a half-dozen nods.

Notably missing from the list? Justin Bieber. It's a bit of a surprise considering he was voted "Artist of the Year" by fans at the American Music Awards. 

Here are the nominees in some of the bigger Grammy categories:

• Record Of The Year:
  Lonely Boy - The Black Keys
  Stronger (What Doesn't Kill You) - Kelly Clarkson
  We Are Young - Fun. Featuring Janelle Monáe
  Somebody That I Used To Know - Gotye Featuring Kimbra
  Thinkin Bout You - Frank Ocean
  We Are Never Ever Getting Back Together - Taylor Swift
   
• Album Of The Year:
  El Camino - The Black Keys
  Some Nights - Fun.
  Babel - Mumford & Sons
  Channel Orange - Frank Ocean
  Blunderbuss - Jack White 
   
• Song Of The Year:
  The A Team - Ed Sheeran, songwriter (Ed Sheeran)
  Adorn - Miguel Pimentel, songwriter (Miguel) 
  Call Me Maybe - Tavish Crowe, Carly Rae Jepsen & Josh Ramsay, songwriters (Carly Rae Jepsen)
  Stronger (What Doesn't Kill You) - Jörgen Elofsson, David Gamson, Greg Kurstin & Ali Tamposi, songwriters (Kelly Clarkson)
  We Are Young - Jack Antonoff, Jeff Bhasker, Andrew Dost & Nate Ruess, songwriters (Fun. Featuring Janelle Monáe) 
   
• Best New Artist 
  Alabama Shakes
  Fun. 
  Hunter Hayes
  The Lumineers 
  Frank Ocean

Get the full list (including a Michelle Obama vs. Bill Clinton battle in the Spoken Word category) at Grammy.com.