Pittsburgh Camerata presents “Christmas with the Camerata” at 8 p.m. Saturday at Mount Lebanon United Methodist Church, 3319 W. Liberty Ave. in Pittsburgh. Voices, instruments and organ music interweave to create a portrait of the first Christmas. Tickets cost $15; full-time students pay $5. Call 412-421-5884 or visit www.pittsburghcamerata.org.region

Allegheny RiverStone Center for the Arts will host organist Clark Wilson playing the Wurlitzer at 2 p.m. Sunday in Lincoln Hall, 42 S. Palmer St., Foxburg. Cost is $20 for adults and $10 for students. Call 412-867-1816 or visit the website www.alleghenyriverstone.org.