LUCIA DI LAMMERMOOR
Nadine Sierra, center, is a woman driven to madness and murder when her brother (Brian Mulligan), right, forces her into a loveless marriage, in the San Francisco Opera's production of Gaetano Donizetti's "Lucia di Lammermoor," Sunday, Oct. 4, 2015, at War Memorial Opera House in San Francisco, Calif. Nicolas Teste, left, and AJ Glueckert also star. (D. Ross Cameron/Bay Area News Group)