Boston Conservatory president Richard Ortner, 2nd from left, with guest alumni “Sondheim” performers Laura Marie Duncan, Liz Hayes, and Chad Kimball

Boston Conservatory president Richard Ortner, 2nd from left, with guest alumni “Sondheim” performers Laura Marie Duncan, Liz Hayes, and Chad Kimball

Boston Conservatory president Richard Ortner, 2nd from left, with guest alumni “Sondheim” performers Laura Marie Duncan, Liz Hayes, and Chad Kimball