Brett Dennen: The folk singer-songwriter is on tour in support of his sixth studio album, “Por Favor,” recorded in Nashville. 8 p.m. Uptown Theatre, Napa. www.uptowntheatrenapa.com
“Carmen”: Bizet’s operatic masterpiece in a new production staged by Calixto Bieito, with Irene Roberts, Brian Jagde, Ellie Dehn and Zachary Nelson in the leads. 7:30 p.m. War Memorial Opera House, S.F. www.sfopera.com
