Roots of Morbid Angel

Moonspell is a Portuguese gothic metal band formed in 1989. The group released their first EP, Under the Moonspell, in 1994 and followed up with their debut album, Wolfheart, a year later. They quickly became the most recognizable metal band from Portugal and a key figure in gothic metal.

Caliban are a German metalcore band from Essen. To date, they have released thirteen studio albums and two EPs, along with two split albums with Heaven Shall Burn.

Forbidden is an American thrash metal band from the San Francisco Bay Area, California. They formed in 1985 as Forbidden Evil, but would change their name in 1987. Since their formation, Forbidden have broken up and reformed twice with numerous line-up changes. After breaking up for the first time in 1997, Forbidden reunited once again in 2007, went into an indefinite hiatus in 2012, but reformed in 2023. The current line-up of the band is Norman Skinner (vocals), Craig Locicero (guitar), Matt Camacho (bass), and Chris Kontos (drums).

Slowly We Rot is the debut studio album by American death metal band Obituary, released on in 1989 through R/C Records.

Possessed is an American death metal band, originally formed in 1982 in the San Francisco Bay Area. Noted for their fast style of playing and Jeff Becerra's growled vocals, they are often called the first band in the death metal genre, and paved the way for the 1980s Bay Area thrash metal scene, along with Metallica, Exodus, Testament and Death Angel. The band is also notable for featuring then-teenage guitarist Larry LaLonde, who went on to join Primus.

Consuming Impulse is the second album by Dutch death metal band Pestilence, released in 1989. It was their first release with then-new guitarist Patrick Uterwijk, their last one to feature vocalist/live bassist Martin van Drunen and the last one to have Patrick Mameli recording bass.

Abominations of Desolation was the intended debut album by Florida death metal band Morbid Angel. While originally recorded in 1986, the band decided not to release it at the time.

Borknagar is a Norwegian progressive metal band with black metal and folk influences. It was founded in Bergen in 1995 by Øystein Garnes Brun primarily as a black metal band before later switching to a more melodic and progressive style. Borknagar's lyrics often deal with philosophy, paganism, nature and the cosmos. The band has released twelve studio albums.

Slayer is an American thrash metal band from Huntington Park, California, formed in 1981 by guitarists Kerry King and Jeff Hanneman, drummer Dave Lombardo and vocalist/bassist Tom Araya. Slayer's fast and aggressive musical style made them one of the "big four" bands of thrash metal, alongside Metallica, Megadeth, and Anthrax. Slayer's current lineup comprises King, Araya, drummer Paul Bostaph, and guitarist Gary Holt, who initially joined as a touring musician in 2011 before joining the band permanently after Hanneman's death in 2013; the drummer Jon Dette is a former member of the band.

H. P. Lovecraft was an American psychedelic rock band, formed in Chicago in 1967. Named after the horror writer H. P. Lovecraft, much of the band's music was inspired by the author's works. Their music combined elements of psychedelia and folk rock.