Pittsburgh Camerata presents “Christmas with the Camerata” at 8 p.m. at three area locations: Friday at Sixth Presbyterian Church, 1688 Murray Ave. in Squirrel Hill; Saturday at St. Andrew’s Episcopal Church, 5801 Hampton St. in Highland Park; Dec. 18 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 are $15; full-time students pay $5. Call 412-421-5884 or visit the website www.pittsburghcamerata.org.

River City Brass will present a “Christmas Brasstacular” at 8 p.m. today at the Carnegie Music Hall in Oakland and at 3 p.m. Sunday at Pasquerilla Performing Arts Center in Johnstown. Call 412-434-7222 or visit www.rivercitybrass.org.

Renaissance & Baroque Society of Pittsburgh will present the Baltimore Consort at 8 p.m. Saturday in Synod Hall, 125 N. Craig St. Tickets range from $10 for student admission to $35 for reserved seating. Tickets are available in advance online at www.rbsp.org or by calling 412-361-2048.