Still just shy of legal US drinking age, GRAMMY-winning Atlanta hard rock juggernaut Mastodon turns 20 this year! Celebrating two decades together, the group will unleash a rarities collection, Medium Rarities, which includes among the many rare highlights an unreleased track Fallen Torches, recorded in 2019.The band explains, Fallen Torches is an unreleased track from Mastodon that will appear for the first time on Medium Rarities. This classic Mastodon track was recorded in Atlanta in 2019, originally planned to be released in support of a European tour, the track was delayed so the band could focus on the release of Stairway to Nick John, a tribute to their late, long time manager Nick John, with proceeds going to the Hirshberg Foundation for Pancreatic Cancer Research in his honour. Fallen Torches is written by Mastodon and features guest vocals by longtime friend and collaborator Scott Kelly from the band Neurosis. Medium Rarities presents a bevy of classic covers, soundtrack contributions, instrumentals, B-sides, and live recordings on one complete package for the very first time. Among an eclectic array of covers, the musicians tackle A Commotion by Feist, A Spoonful Weighs A Ton by The Flaming Lips, and Orion by Metallica. It also features soundtrack cuts such as White Walker [Game of Thrones and Cut You Up With A Linoleum Knife [Aqua Teen Hunger Force. Meanwhile, they get under the hood with instrumental versions of Asleep in the Deep, Toe To Toes, Jaguar God, and Halloween.Another new Mastodon track Rufus Lives will be included in the forthcoming Orion Pictures film Bill Ted Face The Music, expected to be released in September 2020. Written, performed and produced by the band and recorded in their hometown of Atlanta, the track will also appear exclusively on the films official soundtrack album. Further details to be revealed shortly.The anniversary celebration only continues. At the moment, Mastodon are hard at work on their anxiously awaited ninth full-length and first record since the GRAMMY Award-winning Emperor of Sand in 2017.