Before 2021 fades to black, look back at your top Metallica songs for the special Mandatory Metallica end-of-year countdown in celebration of the band’s 40th anniversary. On the weekend of December 17, tune in to hear the top 40 fan-voted favorites counted down on air. Check out the full broadcast schedule below to catch all of the 40th-anniversary programming, including a roundtable discussion, concert audio, specials hosted by band members, and much more.

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Broadcast Schedule (all times ET):

All specialty shows also available for a limited time on the SXM App, just search “Metallica”

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Mandatory Metallica Liquid Metal Takeover

December 17 at 3am through December 20 at 3am

SiriusXM is proud to celebrate 40 Years Of Metallica with a three-day takeover of Liquid Metal (Ch. 40), featuring a Top 40 countdown voted on by fans, specialty shows hosted by members of the band, seven select ‘Tallica concerts spanning four decades, a live call-in roundtable following Metallica’s 40^th anniversary shows in San Francisco, and so much more!

Metallica Top 40 Countdown

December 17 at 9am & 6pm

December 18 at 3am, 11am, & 8pm

December 19 at 8am & 5pm

In celebration of 40 Years of Metallica, fans voted on the Top 40 songs of all time, and SiriusXM host Jose “Metal Ambassador” Mangin counts them down with lots of special VIP guests.

James Hetfield Riff Life

December 17 at 4pm

James Hetfield takes control of Mandatory Metallica, hosting his own show Riff Life. You’ll hear James introduce some of his favorite riffs from Black Sabbath, Exodus, Motorhead, Slayer, ZZ Top, Mercyful Fate, UFO, and more.

Lars Ulrich New Wave of British Heavy Metal 

December 17 at 11pm

Lars Ulrich takes control of Mandatory Metallica, hosting his own show highlighting songs from the New Wave Of British Heavy Metal. You’ll hear Lars intro songs from Angel Witch, Girl School, Tygers Of Pan Tang, Sweet Savage, Witchfinder General, and more.

James Hetfield Road Dog Brothers 

December 18 at 9am

James Hetfield takes control of Mandatory Metallica, hosting his own show highlighting his Road Dog Brothers. You’ll hear James intro songs from bands that he toured with over the years, such as Armored Saint, Mastodon, Venom, Gojira, Corrosion Of Conformity, Metal Church, and more.

Lars Ulrich ’70s Hard Rock Deep Cuts 

December 18 at 5pm

Lars Ulrich takes control of Mandatory Metallica, hosting his own show highlighting ‘70s Hard Rock Deep Cuts. You’ll hear Lars introduce some of his favorite songs from Deep Purple, Thin Lizzy, Blue Oyster Cult, Alice Cooper, UFO, ZZ Top, Montrose, and more.

Robert Trujillo’s Aces of Bass 

December 19 at 3pm

Robert Trujillo takes control of Mandatory Metallica, hosting his own show highlighting his favorite bass players… the Aces of Bass. You’ll hear Robert intro songs from Primus, Rush, Black Sabbath, Jaco Pastorius, Red Hot Chilli Peppers, Motorhead, and more.

Broken, Beat & Unfairly Scarred 

December 19 at 10pm ET

Steffan Chirazi, editor for So What! magazine, an in-house publication for Metallica, takes control of Mandatory Metallica, hosting his own show playing the most underrated Metallica songs of the last 40 years.

Metallica 40^th Anniversary Roundtable

December 21 at 6pm

A two-hour, live call-in show featuring fans and special guests chatting about 40 Years of Metallica with our resident ‘Tallica experts Steffan Chirazi and Spider Dan, moderated by SiriusXM host Jose “Metal Ambassador” Mangin. The show will be simulcast on both Liquid Metal and Mandatory Metallica SiriusXM channels.

40 Years Of Metallica Concerts:

December 17, 7–8am: Chicago, IL – August 12, 1983

December 17, 2–4pm: Cain’s Ballroom, Tulsa, OK – May 23, 1986

December 18, 1–3am: Sacramento, CA – January 11, 1992

December 18, 6–8pm: Welcome To Rockville (Night #2), Daytona Beach, FL – November 11, 2021

December 19, 1–3am: Big 4, Yankee Stadium, Bronx, NY – September 14, 2011

December 19, 7–8am: Bridge School Benefit, Mountain View, CA – October 28, 2007

December 19, 1–2pm: Copenhagen, Denmark – November 16, 1997

December 20, 12–2am: Orion Music + More, Atlantic City, NJ – June 23, 2012