Best 100 old school thrash metal releases

Old school thrash metal is a subgenre of heavy metal music that emerged in the early 1980s. It is characterized by fast tempo, aggressive riffs, and politically or socially charged lyrics. The genre was pioneered by bands such as Metallica, Slayer, Megadeth, and Anthrax, who are often referred to as the "Big Four" of thrash metal. Old school thrash metal often features complex song structures, including guitar solos, and incorporates elements of punk and hardcore music.