SOU’s percussion ensembles will present works by composer John Cage at 7:30 p.m. Tuesday, Nov. 27, in the Music Recital Hall on the SOU campus, 1250 Siskiyou Blvd. The ensemble will present “First Construction (in Metal),” “Credo in Us” and “But What About the Noise of Crumpling Paper?” The quartet will perform “Living Room Music,” and professor of music Terry Longshort will present “Child of Tree” on an amplified cactus — melodic sounds are produced when its spines are plucked. Compás will present Cage’s “Third Construction.” Admission costs $5, free for students. Call 541-552-6348 or see