Music for 18 musicians [Registo sonoro] / Steve Reich; Shem Guibbory; Ken Ishii; Elizabeth Arnold; Rebecca Armstrong; Nurit Tilles; Larry Karush; Gary Schall; Bob Becker; Russell Hartenberger; James Preiss; Steve Chambers; David Van Tieghem; Glen Velez; Virgil Blackwell; Richard Cohen; Jay Clayton; Pamela Fraley