BU Events Calendar Opera (January 16 through April 1) Thursday, February 21 7:30 PM MAINSTAGE OPERA: Dolores Claiborne by Tobias Picker Friday, February 22 7:30 PM MAINSTAGE OPERA: Dolores Claiborne by Tobias Picker Saturday, February 23 7:30 PM MAINSTAGE OPERA: Dolores Claiborne by Tobias Picker Sunday, February 24 2:00 PM MAINSTAGE OPERA: Dolores Claiborne by Tobias Picker