Question: Slayer is an American thrash metal band from Huntington Park, California. The band was formed in 1981 by vocalist/bassist Tom Araya and guitarists Kerry King and Jeff Hanneman. Slayer's fast and aggressive musical style made them one of the founding "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.

In late 1987, Slayer returned to the studio to record their fourth studio album. To contrast the speed of Reign in Blood, the band consciously decided to slow down the tempos, and incorporate more melodic singing. According to Hanneman, "We knew we couldn't top Reign in Blood, so we had to slow down. We knew whatever we did was gonna be compared to that album, and I remember we actually discussed slowing down. It was weird--we've never done that on an album, before or since." Released in July 1988, South of Heaven received mixed responses from both fans and critics, although it was Slayer's most commercially successful release at the time, debuting at number 57 on the Billboard 200, and their second album to receive gold certification in the United States. Press response to the album was mixed, with AllMusic citing the album as "disturbing and powerful," and Kim Nelly of Rolling Stone calling it "genuinely offensive satanic drivel." King said "that album was my most lackluster performance," although Araya called it a "late bloomer" which eventually grew on people. Slayer returned to the studio in spring 1990 with co-producer Andy Wallace to record its fifth studio album. Following the backlash created by South of Heaven, Slayer returned to the "pounding speed of Reign in Blood, while retaining their newfound melodic sense." Seasons in the Abyss, released on October 25, 1990, was the first Slayer album to be released under Rubin's new Def American label, as he had parted ways with Def Jam owner Russell Simmons over creative differences. The album debuted at number 44 on the Billboard 200, and was certified gold in 1992. The album spawned Slayer's first music video for the album's title track, which was filmed in front of the Giza pyramids in Egypt. Slayer returned as a live act in September 1990 to co-headline the European Clash of the Titans tour with Megadeth, Suicidal Tendencies, and Testament. During the sold out European leg of this tour tickets fetched up to 1,000 Deutschmark ($680 USD) on the black market. With the popularity of American thrash at its peak, the tour was extended to the US beginning in May 1991, with Megadeth, Anthrax and opening act Alice in Chains. The band released a double live album, Decade of Aggression in 1991, to celebrate ten years since their formation. The compilation debuted at number 55 on the Billboard 200. In May 1992, Lombardo quit the band due to conflicts with other members, as well as his desire to be off tour for the birth of his first child. Lombardo formed his own band Grip Inc, with Voodoocult guitarist Waldemar Sorychta, and Slayer recruited former Forbidden drummer Paul Bostaph to take his place. Slayer made its debut appearance with Bostaph at the 1992 Monsters of Rock festival at Castle Donington. Bostaph's first studio effort was a medley of three Exploited songs, "War," "UK '82," and "Disorder," with rapper Ice-T, for the Judgment Night movie soundtrack in 1993.

Using a quote from the above article, answer the following question: Did anyone leave the band from 1988-1993?
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Answer: In May 1992, Lombardo quit the band due to conflicts

Question: Oystein Aarseth (Norwegian: ['oystein 'os@t]; 22 March 1968 - 10 August 1993), better known by his stage name Euronymous, was a Norwegian guitarist. Euronymous was a founder of and central figure in the early Norwegian black metal scene. He was a co-founder of the Norwegian black metal band Mayhem. He was also founder and owner of the extreme metal record label Deathlike Silence Productions and record shop Helvete.

Euronymous said that the term black metal can apply to any kind of metal, so long as it is "Satanic" and "heavy". He said "If a band cultivates and worships Satan, it's black metal" and that "In a way, it can be ordinary heavy metal or just noise. What's important is that it's Satanic; that's what makes it black metal". He rejected bands like Immortal being called black metal, "as they are not Satanists", but supported the band nonetheless. As noted earlier, bands who had LaVeyan beliefs were also rejected. When it was pointed out that Venom (the band who coined the term 'black metal') only used 'Satanism' as a gimmick, Euronymous said that he and the 'Black Circle' "choose to believe otherwise". Likewise, Euronymous said that the term death metal can apply to any kind of metal, so long as the band "cultivates and worships death". Euronymous lamented the commercialization and loss of extremity within death metal. He said "Real Death Metal should be something normal people are afraid of, not something mothers can listen to" and "Death Metal is for brutal people who are capable of killing, it's not for idiotic children who want to have [a] funny hobby after school". Like many others in the black metal scene, Euronymous originally believed that black metal should stay underground. However, he later changed his mind and said the idea should be got rid of. He believed that the idea of staying underground came from hardcore punk and said "Those who scream most about being in 'underground' is also often those who make so bad music that they don't have a chance to get big themselves". He added: "I wouldn't mind making DSP big and earn a million, as long as I don't change my ways of thinking and being [...] If there were one million black metal fans in the world, most of them would be jerks, but there would be really many true and brutal people as well. The bigger we get, the more we can manipulate people into thinking like us".

Using a quote from the above article, answer the following question: Did Euronymous have any other interesting beliefs about black and death metal?
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Answer:
Euronymous originally believed that black metal should stay underground. However,