When sound designer Gary Rydstrom created the roar of the Tyrannosaurus rex for Steven Spielberg’s Jurassic Park, he was searching for one thing that will really feel otherworldly and natural on the similar time. He finally settled on a composite of field-recorded animal noises: the high-pitched scream of a child elephant, the stately growl of a lion, and the deep gurgle of an alligator. The ensuing roar was a triumphant, terrifying masterstroke, a sound that was completely alien and but simply acquainted sufficient to really feel like a menace. Rydstrom gained two Oscars for his work on the movie, and his T. rex roar grew to become probably the most readily identifiable items of sound design in film historical past. That roar can be the very first thing you hear once you hit play on Remission, the debut album by Mastodon. As a bit of pure intention-setting, it’s exhausting to think about a pattern that will have labored higher. The Mastodon that emerged from the Atlanta underground 20 years in the past this Saturday was primordial and elemental, however in a means that felt exhilaratingly new. Additionally they needed to kill you.