A workshop for teachers Aug. 9-12: Children and teens love to learn to sing the Mass. The Benedict XVI Institute of the Archdiocese of San Francisco invites teachers, musicians, choir directors, and leaders of sacred music to learn all the essentials needed to lead a chant camp for young Catholics. This course is taught by Mary Ann Carr Wilson. Tuition is $395. Visit www.benedictinstitute.org. Vallombrosa Center, 250 Oak Grove Ave., Menlo Park, Rose Marie Wong (415) 614-5517; wongr@sfarch.org