Celebration Works presents the University of Oregon Percussion Ensemble, directed by Pius Cheung and Sean Wagoner, offering a program that includes Table Music by Thierry De Mey, a work for three percussionists each using a small table and their hands as their only instrument. Other works include Radioactive Octopus by Steven Simpson, Mallet Quartet by Steve Reich, Silent Canyons by Nathan Daughtrey, A Man with a Gun Lives Here by Steve Snowden, and Martian Tribes by Emmanuel Sejourne. May 18 at 2 p.m. in the Sanctuary of First Presbyterian Church, 1200 S.W. Alder. Free parking during concert in the underground garage at corner of SW 12th and Morrison. No admission charge. $15 suggested donation.