Thrash metal transformed heavy metal irrevocably. Because of thrash, metal got louder, harder, faster and generally more “metal.” Early metal and NWOBHM aren’t always recognizable as metal to fans who grew up on ’90s and 21st century metal, just because of how much louder and more aggressive metal got as a result of thrash. Four bands are usually credited with defining thrash metal, Metallica, Megadeth, Anthrax and, of course, Slayer, arguably most responsible of the Big 4 for many of the most extreme metal genres that have emerged since thrash metal changed everything.
BABii — Lovefool (The Cardigans cover)
Brent Amaker And The Rodeo – Gut Feeling (Devo cover)