Quakers - Supa K: Heavy TremorsNew Vinyl Record Quakers Supa K: Heavy Tremors Double vinyl LP pressing. Supa K (fka Katalyst) tells the origin story of the beat tape: "They returned to the planet to find humans reaping ecological havoc. From their arsenal of secret weapons comes Heavy Tremors: a sonic assault to help bring the world back into balance. This siege of beats targets the few who systematically pillage the planet and it's resources for their own benefit. Play it loud.