Input (grade 11): Slayer rose to fame with their 1986 release, Reign in Blood, and is credited as one of the "Big Four" thrash metal acts, along with Metallica, Megadeth and Anthrax.
Output (grade 7): Along with Metallica, Anthrax and Megadeth, Slayer is known as one of the "Big Four" of thrash metal music.