"2017-10-12T20:00:00"^^ . . "choir and orchestra performance" . . . . . . . "Title: Mozart's \"Great\" Mass with Heras-Casado\r\nThere was a pre-conncert talk at 7:00 PM in Stern Auditorium / Perelman Stage with Walter Frisch, Professor of Music, Columbia University." . "Orchestra of St. Luke's" .