"Tuba-Euphonium Day at The Rock" will take place Saturday with master classes, clinics and music-reading sessions in Swope Music Hall. The event will start at noon.

Participants should bring their own instruments.

Tuba-Euphonium Day will conclude with a 7:30 p.m. public recital featuring Matthew Murchison, a solo euphonium player with the River City Brass Band. All musicians participating in the day will be part of the concert.

The Regina Gouger Miller Gallery hosts "Keep It Slick: Infiltrating Capitalism with the Yes Men" through Feb. 15, 2009.Admission to the gallery in the Purnell Center for the Arts on campus is free. Hours are noon to 6 p.m. Tuesdays through Sundays. Call 412-268-3618 or visit the Web site, www.cmu.edu/millergallery.

• The Westminster College Chamber Singers and Concert Choir will present "Stars I Shall Find" at 3 p.m. Sunday in Wallace Memorial Chapel. The concert is free. Call 724-946-7278 for more information.• The Westminster chapter of Habitat for Humanity will sponsor a benefit concert featuring The Chris Higbee Project at 8:30 p.m. Saturday in Orr Auditorium. Higbee, founder and fiddler of The Povertyneck Hillbillies, formed a new band that blends the talents of several diverse musicians.Tickets are $20 for general admission, $30 for reserved seats, and $10 for Westminster students with ID. Call 724-946-7354.