Join Holcombe Waller in a series of workshops for singers of all abilities, which will culminate in the San Francisco premiere of his piece, REQUIEM MASS: A QUEER DIVINE RITE on November 16-17, 2018 at Grace Cathedral as part of YBCA’s Performing Arts season. Workshops take place Tuesdays, September 18 and 25 and Thursdays, September 20 and 27. Free with RSVP.