Matthew Grills as Tobias Ragg, left, and Stephanie Blythe as Mrs. Lovett, in a scene from the San Francisco Opera production of Stephen Sondheim's "Sweeney Todd," Wednesday, Sept. 9, 2015, at the War Memorial Opera House in San Francisco, Calif. (D. Ross Cameron/Bay Area News Group)
James Asher, left, plays Jonas Fogg, and Heidi Stober is Johanna, trapped in Fogg's insane asylum, in a scene from the San Francisco Opera production of Stephen Sondheim's "Sweeney Todd," Wednesday, Sept. 9, 2015, at the War Memorial Opera House in San Francisco, Calif. (D. Ross Cameron/Bay Area News Group)
Anthony Hope (Elliot Madore), left, rescues his intended, Johanna (Heidi Stober) from the lunatic asylum where she has been falsely imprisoned, in a scene from the San Francisco Opera production of Stephen Sondheim's "Sweeney Todd," Wednesday, Sept. 9, 2015, at the War Memorial Opera House in San Francisco, Calif. (D. Ross Cameron/Bay Area News Group)