Ready for the 58th Annual Grammy Awards? It's an important night in the music world -- for performers, producers, songwriters, fans and anyone who likes to ogle celebrities on the red carpet.

Rapper and actor LL Cool J is set to host the 2016 ceremony from the Staples Center in Los Angeles, helming the Grammys for the fifth year in a row. And we won't have to wait long to see Taylor Swift; she'll open the show with a song from her much-nominated album, "1989."

We'll be updating this post with a list of winners throughout the three-and-a-half hour broadcast. Early winners have been announced during a Grammys pre-show; see results in several key categories below. For now, here's what you need to know.

When and where to watch: Tonight on CBS at 7 p.m. Central, 8 p.m. Eastern, 5 p.m. Pacific.

Grammys live stream?: Yes, but there are restrictions. Viewers must have an account with CBS All Access, a monthly subscription service that's available in some, but not all, markets. If your station has CBS All Access, there's a one-week free trial. See a full list of cities and stations here.

Grammy winners:

Record of the Year: Mark Ronson featuring Bruno Mars, ""Uptown Funk."

Album of the Year: Taylor Swift, "1989."

Best new artist: Meghan Trainor.

Best Rock Performance: Alabama Shakes, "Don't Wanna Fight."

Best Alternative Music Album: Alabama Shakes, "Sound & Color."

Best Rock Song: Alabama Shakes, "Don't Wanna Fight."

Song of the Year: "Thinking Out Loud," Ed Sheeran & Amy Wadge.

Best Musical Theater Album: "Hamilton."

Best Pop Vocal Album: "Taylor Swift," 1989.

Best Pop Solo Performance: Ed Sheeran, "Thinking Out Loud."

Best Pop Duo/Group Performance: Mark Ronson Featuring Bruno Mars, "Uptown Funk."

Best Traditiional Pop Vocal Album: Tony Bennett & Bill Charlap, "The Silver Lining: The Songs Of Jerome Kern."

Best Rap Album: Kendrick Lamar, "To Pimp a Butterfly."

Best Rap Performance: Kendrick Lamar, "Alright."

Best Rap/Sung Collaboration: Kendrick Lamar featuring Bilal, Anna Wise & Thundercat, "These Walls."

Best Rap Song: "Alright," Kendrick Lamar Duckworth, Mark Anthony Spears & Pharrell Williams.

Best Rock Album: Muse, "Drones."

Best Urban Contemporary Album: The Weeknd, "Beauty Behind The Madness."

Best Country Album: Chris Stapleton, "Traveller."

Best Country Duo/Group Performance: Little Big Town, "Girl Crush."

Best Country Solo Performance: Chris Stapleton, "Traveller."

Best Country Song: "Girl Crush," Hillary Lindsey, Lori McKenna & Liz Rose.

Best Metal Performance: Ghost, "Cirice."

Best Dance Recording: Skrillex and Diplo with Justin Bieber, "Where Are U Now."

Best Dance/Electronic Album: Skrillex And Diplo, "Skrillex And Diplo Present Jack U."

Best R&B Album: D'Angelo And The Vanguard, "Black Messiah."

Best R&B Performance: The Weeknd, "Earned It (Fifty Shades Of Grey)."

Best Traditional R&B Performance: Lalah Hathaway, "Little Ghetto Boy."

Best R&B Song: "Really Love," D'Angelo and Kendra Foster.

Best Engineered Album, Non-Classical: "Sound & Color," Shawn Everett, engineer; Bob Ludwig, mastering engineer; Alabama Shakes.

Best Blues Album: Buddy Guy, "Born To Play Guitar."

Best American Roots Performance: Mavis Staples, "See That My Grave Is Kept Clean."

Best Folk Album: Bela Fleck And Abigail Washburn, "Bela Fleck & Abigail Washburn."

Best Bluegrass Album:The SteelDrivers, "The Muscle Shoals Recordings."

Best Regional Roots Music Album: Jon Cleary, "Go Go Juice."

Best Gospel Performance/Song: Kirk Franklin, "Wanna Be Happy?"

Best Gospel Album: Israel & Newbreed, "Covered: Alive In Asia [Live] (Deluxe)."

Best Contemporary Christian Music Album: tobyMac, "This Is Not A Test."

Best Contemporary Christian Music Performance/Song: Francesca Battistelli, "Holy Spirit."

Best Roots Gospel Album: The Fairfield Four, "Still Rockin' My Soul."

Producer of the Year, Non-Classical: Jeff Bhasker.

Best Music Video: Taylor Swift featuring Kendrick Lamar, "Bad Blood.

Best Music Film: Amy Winehouse, "Amy."

Best Song Written for Visual Media: "Glory," Lonnie Lynn, Che Smith & John Stephens, songwriters; Common & John Legend, artists.

Best Score Soundtrack for Visual Media: "Birdman," Antonio Sanchez, composer.

Best Compilation Soundtrack for Visual Media: Glen Campbell: I'll Be Me," Various Artists.

Best Comedy Album: Louis C.K.,"Live At Madison Square Garden."

Best Spoken Word Album: Jimmy Carter, "A Full Life: Reflections at Ninety."

Best Reggae Album: Morgan Heritage, "Strictly Roots."

Best World Music Album: Angelique Kidjo, "Sings."

Best Instrumental Composition: Arturo O'Farrill, "The Afro Latin Jazz Suite."

Best Contemporary Intstrumental Album: Snarky Puppy & Metropole Orkest, "Sylva."

Best Improvised Jazz Solo: Christian McBride, "Cherokee."

Best Jazz Vocal Album: Cecile McLorin Salvant, "For One to Love."

Best Jazz Instrumental Album: John Scofield, "Past Present."

Best Large Jazz Ensemble Album: Maria Schneider Orchestra, "The Thompson Fields."

Best New Age Album: Paul Avgerinos, "Grace."

Best Boxed Set or Special Limited Edition Package: "The Rise & Fall Of Paramount Records, Volume Two (1928-32)," Susan Archie, Dean Blackwood & Jack White, art directors, Various Artists.

Best Historical Album: "The Basement Tapes Complete: The Bootleg Series Vol. 11," Steve Berkowitz, Jan Haust & Jeff Rosen, compilation producers; Peter J. Moore, mastering engineer; Bob Dylan And The Band.

Best Album Notes:: Joni Mitchell, "Love Has Many Faces: A Quartet, A Ballet, Waiting To Be Danced."

Major Grammy nominees: Kendrick Lamar tops the list with 11 nominations, including Album of the Year for "To Pimp a Butterfly." Taylor Swift has seven nominations, Record of the Year for "Blank Space" and Album of the Year for "1989." The Weeknd scored seven nods, including Record of the Year for "Can't Feel My Face" and Album of the Year for "Beauty Behind the Madness." See the full list of nominees here.

Grammy performers: Adele, Taylor Swift, Alabama Shakes, Kendrick Lamar, The Weeknd, Little Big Town, Justin Bieber, Rihanna, Carrie Underwood, Skrillex, Sam Hunt, Ellie Goulding, the cast of "Hamilton" and more. See the full list of performers here.

Grammy presenters: Sam Smith, Ice Cute, Ariana Grande, Common, Stephen Colbert, Ryan Seacrest, Ed Sheeran, Anna Kendrick, Seth MacFarlane and more. See the full list of presenters here.

Tribute performances: Lady Gaga will perform a multimedia tribute to the David Bowie, directed by Nile Rodgers. Bowie died on Jan. 10, at age 69, shortly after releasing his 25th album, "Blackstar."

Glenn Frey will be honored with a performance by his Eagles bandmates, Don Henley, Joe Walsh, Bernie Leadon and Timothy B. Schmit, with an assist from Jackson Browne. Frey, a founding member of the Eagles, died on Jan. 16 at age 67.

Chris Stapleton, Bonnie Raitt and Gary Clark Jr. will pay homage to B.B. King. The legendary bluesman died in May 2015 at age 89.

The Hollywood Vampires -- Alice Cooper, Johnny Depp and Joe Perry -- will perform a tribute to Lemmy Kilmister, the frontman of Motorhead. He died on Dec. 28 after a battle with cancer.

John Legend, Luke Bryan, Demi Lovato and Meaghan Trainor will perform a selection of hits by Lionel Richie and the Commodores, saluting Richie as the 2016 MusiCares Person of the Year. Richie will join them on stage during the tribute.

Grammys on social media: Look for the Grammys are on Facebook, Twitter, Instagram, YouTube, Pinterest, Google+, Vine and Tumblr. On Snapchat, it's thegrammys.