CAMERATA CANTORES

Warrenton's singing ensemble presents its "Feast of Carols" in performances this weekend in Warrenton and Upperville. The group will be accompanied by the brass quartet Brass Classique. 8 p.m. Saturday, Warrenton Presbyterian Church, 91 Main St. Freewill donation. 4 p.m. Sunday, Trinity Episcopal Church, Route 50, Upperville. $15. 540-937-4044 or www.cameratacantores.org.

WATERFORD CONCERT SERIES

William Neil, the principal organist of the National Symphony Orchestra, joins members of the Washington Symphonic Brass on Sunday in the final performance in this year's series. The program includes Monteverdi, Gabrieli, Purcell, Bach, Britten and Handel and ends with holiday music. $20 advance; $22 at the door. 4 p.m. Sunday, Waterford Old School, High and Fairfax streets. Free guided walking tour of the historic village beginning on the steps of the Old School at 2 p.m. 540-882-3018.

OLD-TIME COUNTRY DANCE

Grab your partner and do-si-do on down to the Purcellville Skating Rink, 250 S. Nursery Ave., on Saturday for live music, figure callers and a friendly atmosphere for new and experienced dancers alike. Families and singles are welcome, and homemade potluck refreshments are encouraged. $7; $5 for Bluemont friends, students and seniors. 8-11 p.m. Saturday, beginner workshop at 7:30, 250 Nursery Ave. 703-777-6306 or www.bluemont.org.