Roots of Darkthrone

Bathory was a Swedish extreme metal band formed in Vällingby in March 1983. Frontman and sole songwriter Thomas "Quorthon" Forsberg was the sole constant member, and was at times responsible for all instruments.

Hellhammer was a Swiss extreme metal band from Nürensdorf, active from 1982 to 1984. Although the band's sound and style were heavily criticized and poorly reviewed during their active years, they have been widely praised in retrospect and are often regarded as a key influence on black metal. In June 1984, Hellhammer disbanded but two of its members soon formed the influential extreme metal band Celtic Frost.

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.

Øystein Aarseth, better known by his stage name Euronymous, was a Norwegian musician and a founder of and central figure in the early Norwegian black metal scene. He was a co-founder and guitarist of the Norwegian black metal band Mayhem and was the only constant member from the band's formation in 1984 until his murder in 1993. He was also founder and owner of the extreme metal record label Deathlike Silence Productions and record shop Helvete.

Siouxsie and the Banshees were a British rock band formed in London in 1976 by vocalist Siouxsie Sioux and bassist Steven Severin. The Times called them "one of the most audacious and uncompromising musical adventurers of the post-punk era".

Sarcófago was a Brazilian extreme metal band formed in 1985. They were fronted by Sepultura's original singer, Wagner Lamounier, and Geraldo Minelli.

Under the Sign of the Black Mark is the third studio album by Swedish extreme metal band Bathory. It was recorded in September 1986 and released on 11 May 1987 through New Renaissance Records and Under One Flag. It was a key album in the development of the black metal genre, and greatly influenced the Norwegian black metal scene that emerged in the early 1990s.

Bathory was a Swedish extreme metal band formed in Vällingby in March 1983. Frontman and sole songwriter Thomas "Quorthon" Forsberg was the sole constant member, and was at times responsible for all instruments.