Harmonia Stellarum Houston, Mario Aschauer, artistic director, presents Heinrich Schütz: Historia der Geburt Jesu Christi with intermedia by A. Hammerschmidt, S, Otto, and J.G. Caro; and Giovanni Battista Pederzuoli (?-1692): Trialogo nel Natale del Siognore. Using operatic forms to set sacred texts, these two early-Baroque composers in Protestant Dresden and Catholic Vienna could circumvent rules forbidding performances of opera during Advent. With singers, soloists, and period instruments, at First Lutheran Church Sunday afternoon Dec 3. Tickets: www.harmoniastellarum.com