So Percussion is an American percussion quartet based in New York City. Comprised of members Josh Quillen, Adam Sliwinski, Jason Treuting, Eric Beach, and Lawson White, the group is well known for recording and touring internationally and for its work with composers such as Steve Reich, David Lang, Paul Lansky, Martin Bresnick, Steve Mackey, Fred Frith, Evan Ziporyn, and Arvo Pärt. Originally formed when the members were students of Robert van Sice at the Yale School of Music