Berkshire Lyric will present "Behold a Star, a Concert of Christmas Music" at 7:30 p.m. Saturday, Dec. 19, at St. Stephen's Episcopal Church on Park Square, Pittsfield, and 3 p.m. Sunday, Dec. 20, at St. Peter's Roman Catholic Church in Great Barrington.

The 85 voice Berkshire Lyric Chorus will be joined by the 35 voice Blafield Children's Chorus. There will be a sing-along of carols at the end of the concert.

The concert is led by Berkshire Lyric's Artistic Director Jack Brown and accompanied by Joe Rose and will feature John Demler, baritone.

Tickets are $20 for adults with children admitted free. They may be purchased in advance from chorus members, at or at the door before the performances.