Since 1923, San Francisco Opera has debuted the performances of several well-respected artists including Marie Collier, conductor Silvio Varviso, and director Francis Ford Coppola. Founded by Gaetano Merolo, the War Memorial Opera House, housed in the War Memorial & Performing Arts Center, has been the home of the Opera since 1932. Tours are available only during the opera season. The concert is held on the Sunday following opening night of the Fall Season. San Francisco Opera is the second largest opera company in North America. The Opera's mission is to enrich, be creative and innovative, take leadership and present opera performances of the highest international quality.