In slowing the tempos down from dizzy to primal, in choosing meaty presence over mere velocity in the riffing, Metallica made a record of durable, mature violence not to mention the biggest metal album of the decade.
From Dave Mustane who got booted for hard drug use and alcoholism to Cliff Burton who died in a bus crash in Both were replaced, respectively, by Kurt Hammet who is still with the band; and Jason Newsted who stayed with the band until 2001 until he
Metallica - Without Metallica, we wouldn't recognise today's heavy metal. Their first three albums with the amazing Cliff Burton on bass are still classic stuff. And they would kick Metalica of todays ass for selling out!