Slayer plays Thrash metal, heavy metal, and speed metal music. In the early 80s they played Iron Maiden and Judas Priest songs. Kerry King left the band for Megadeth (Fallen Angel at the time). In 1995 they made a world tour with Biohazard and Machine Head. At the 1995 Monsters of Rock they played with Metallica, Skid Row, Machine Head, and Corrosion of Conformity. They recorded a video of Venom's "Witching Hour" with Machine Head.