The arts events calendar in Friday’s issue provided incorrect or incomplete information for four events. The Chamber Chorus concert occurred twice on Saturday, Nov. 16, at both 2 p.m. and 4 p.m. The Ellipsis Trio’s Boston performance was on Sunday, Nov. 17, not Saturday. Musical Theatre Guild’s Young Frankenstein performance on Sunday, Nov. 17 was at 2 p.m., not 12 p.m. Mariel Roberts’ performance on Thursday, Nov. 21 was at 8 p.m., not 7 p.m.

A review of Dallas Buyers Club also in Friday’s issue provided an incorrect rating — the film is rated R.