Concert Nordic Voices, a six-voice a capella ensemble from Norway, performs "Lamentations" at 8:15 p.m. Feb. 10, at St. John's College's Francis Scott Key Auditorium, 60 College Ave. in Annapolis. The group performs a variety of musical techniques, from ordinary classical sounds to Mongolian overtone singing. Concert consists of old and new music by Victoria, Gesualdo, Lasse Thoresen, and others. Free. Information: stjohnscollege.edu.