The 54th annual Grammy Awards aren't until February, but the excitement starts tonight! With help from some of music's biggest stars (and Grammy nominees!), CBS hosted its annual 'Grammy Nominations Live' concert Wednesday night (Nov. 30), with explosive performances by the Band Perry, Rihanna, Sugarland, Lady Gaga, Usher, Jason Aldean, Ludacris and more, plus announcements in some of the Grammy's top categories.

See the list of nominees in the country categories and top, all-genre categories for the 2012 Grammy Awards below.

Best New Artist

The Band Perry

Bon Iver

J. Cole

Nicki Minaj

Skrillex

Song of the Year

'Rolling in the Deep' - Adele

'Holocene' - Bon Iver

'Grenade' - Bruno Mars

'All of the Lights' - Kanye West

'The Cave' - Mumford and Sons

Record of the Year

'Rolling in the Deep' - Adele

'Holocene' - Bon Iver

'Grenade' - Bruno Mars

'Firework' - Katy Perry

'The Cave' - Mumford and Sons

*What's the difference between Song and Record of the Year, you ask? Song honors go to the songwriters, while Record goes to the recording artist and producer.

Album of the Year

'21,' Adele

'Waisting Light,' Foo Fighters

'Born This Way,' Lady Gaga

'Doo Wops and Hooligans,' Bruno Mars

'Loud,' Rihanna

Larry Busacca, Getty Images

COUNTRY MUSIC CATEGORIES:

Best Country Album

'My Kinda Party,' Jason Aldean

'Chief,' Eric Church

'Own the Night,' Lady Antebellum

'Red River Blue,' Blake Shelton

'Here for a Good Time,' George Strait

'Speak Now,' Taylor Swift

Best Country Solo Performance

'Dirt Road Anthem,' Jason Aldean

'I'm Gonna Love You Through It,' Martina McBride

'Honey Bee,' Blake Shelton

'Mean,' Taylor Swift

'Mama's Song,' Carrie Underwood

Best Country Duo/Group Performance

'Don't You Wanna Stay,' Jason Aldean With Kelly Clarkson

'You And Tequila,' Kenny Chesney Featuring Grace Potter

'Barton Hollow,' The Civil Wars

'Are You Gonna Kiss Me Or Not,' Thompson Square

Best Country Song

'Are You Gonna Kiss Me Or Not,' Songwriters: Jim Collins & David Lee Murphy

(recorded by Thompson Square)

'God Gave Me You,' Songwriter: Dave Barnes

(recorded by Blake Shelton)

'Just Fishin',' Songwriters: Casey Beathard, Monty Criswell & Ed Hill

(recorded by Trace Adkins)

'Mean,' Songwriter: Taylor Swift

(recorded by Taylor Swift)

'Threaten Me With Heaven,' Songwriters: Vince Gill, Amy Grant, Will Owsley & Dillon O'Brian

(recorded by Vince Gill)

'You and Tequila,' Songwriters: Matraca Berg & Deana Carter

(recorded by Kenny Chesney and Grace Potter)

The 54th Annual Grammy Awards will air live from Los Angeles' Staples Center, Feb. 12 at 8:00 PM ET on CBS. See the full list of nominees in all genres here.

2012 Grammy Nominees