Music of the Italian Baroque for the Christmas Season. Vocal and instrumental chamber music by Alessandro Scarlatti, Bernardo Pasquini, Arcangelo Corelli, Tarquinio Merula, and other leading composers of the Italian baroque. The program will include the Christmas cantatas O di Betlemme altera povertà (Scarlatti) and S'apriro i cieli (Pasquini), a Rochester premiere.