Church to host opera preview

Nicolas Reveles will give a presentation about the upcoming San Diego Opera production of “Nabucco” from 6 to 7 p.m. Nov. 2 at La Jolla Presbyterian Church, 7715 Draper Ave. The free event will delve into opera, its origins and effects, and use musical excerpts from “Nabucco” to tell its story of the ruthless king of Babylon, Nebuchadnezzar II. Reserve a spot at (858) 729-5514 or