Roots of Mastodon

Baroness is an American heavy metal band from Savannah, Georgia that has been active since 2003. Its early members grew up together in Lexington, Virginia. The band has undergone numerous lineup changes, with frontman John Baizley serving as the sole constant throughout. Baizley creates the artwork for all of the group's albums and has done artwork for other bands.

Fantômas is an American experimental metal supergroup formed in 1998 in California. It features vocalist Mike Patton, drummer Dave Lombardo (ex-Slayer), guitarist Buzz Osborne (Melvins) and bassist Trevor Dunn. The band is named after Fantômas, a supervillain featured in a series of crime novels popular in France before World War I and in film, most notably in the '60s French movie series.

Alien Weaponry is a New Zealand metal band from Waipu, formed in Auckland in 2010. The band consists of drummer Henry de Jong, guitarist Lewis de Jong, and since August 2020, bass player Tūranga Morgan-Edmonds. All three members have Māori ancestry and a number of their songs are written and performed in the Māori language.

High on Fire is an American heavy metal band from Oakland, California, that was formed in 1998. Matt Pike, the band's frontman and founder, also played guitar for Sleep. High on Fire won the 2019 Grammy Award for Best Metal Performance with their song "Electric Messiah". The band has released nine studio albums, with their newest, Cometh the Storm, released in 2024.

Priestess was a Canadian hard rock/stoner rock band formed by singer/guitarist Mikey Heppner in Montreal, Quebec in 2002, comprising Heppner, singer/guitarist Dan Watchorn, singer/drummer Vince Nudo, and bassist Mike Dyball. Priestess were considered one of the most important bands in the early millennial "retro rock" movement, although they denied intentionally attempting to emulate the sounds of classic rock bands such as Black Sabbath and AC/DC, whom they idolized and to whom they were frequently compared.

Thin Lizzy were an Irish rock band formed in Dublin in 1969. The band initially consisted of bass guitarist, lead vocalist, and principal songwriter Phil Lynott, drummer Brian Downey, guitarist Eric Bell, and organist Eric Wrixon, although Wrixon left after a few months. Bell left at the end of 1973 and was briefly replaced by Gary Moore, who himself was replaced in mid-1974 by dual lead guitarists: Scott Gorham, who remained with the band until their break-up in 1983, and Brian Robertson, who remained with the band until 1978 when Moore re-joined. Moore left a second time and was replaced by Snowy White in 1980, who was himself replaced by John Sykes in 1982. The line-up was augmented by keyboardist Darren Wharton in 1980.

Clutch is an American rock band from Germantown, Maryland. Since its formation in 1991, the band lineup has included Tim Sult, Dan Maines (bass), Jean-Paul Gaster (drums), and Neil Fallon. To date, Clutch has released thirteen studio albums, and several rarities and live albums. Since 2008, the band has been signed to their own record label, Weathermaker Music. Clutch is one of the pioneers of stoner rock.

System of a Down is an Armenian-American heavy metal band formed in Glendale, California, in 1994. Since 1997, the band has consisted of founding members Serj Tankian, Daron Malakian, and Shavo Odadjian (bass); along with John Dolmayan (drums), who replaced original drummer Andy Khachaturian.

Sabbath Bloody Sabbath is the fifth studio album by the English heavy metal band Black Sabbath, released on 30 November 1973. It was produced by the band and recorded at Morgan Studios in London in September 1973. The writing process for the album, which began in Los Angeles, California, was initially hampered in part by the band's substance abuse and fatigue following its 1972–1973 world tour in support of their previous album, Vol. 4. In an effort to get past their writers' block, the band relocated to Clearwell Castle in the Forest of Dean, Gloucestershire, England, where guitarist Tony Iommi conceived the main riff of what became the album's title track and lead single.