Diane Farrell Mauch presented a lecture on the very successful system of vocal classification called Fach - a system that was developed near the end of the 19th century in German opera houses. Diane is the president of the Opera/Ballet Club and her credentials include a varied performance career in opera, concert and musical theater. She taught voice and opera theater for many years, most recently at the University of Miami in Coral Gables, and has written extensively on vocal technique and vocal literature. She presents lectures on all aspects of opera in the Bay Area.