A cohort of thirteen Northern California opera companies and producers have joined forces to present Opera Day in the Bay, an unprecedented collaborative concert celebrating the richness, diversity, and enduring power of opera. The free public performance will take place on Sunday, Sept. 20, at 1 p.m. in the majestic Transamerica Pyramid Center Redwood Park at the base of San Francisco's iconic Transamerica Pyramid Center, featuring music spanning more than several centuries—from Baroque-era masterpieces of the 17th century to compelling contemporary and newly created operas.

Participating organizations include Ars Minerva, Festival Opera, GK Works LLC, Lamplighters Music Theatre, Livermore Valley Opera, Mercury Theater, Opera Parallèle, Opera San José, Pocket Opera, Sacramento Philharmonic & Opera, San Francisco Opera Guild, Upspark Productions, and West Edge Opera.

From the rustic outdoor stage, internationally acclaimed Bay Area composer Carla Lucero will serve as the concert emcee. The performance will also honor the life and extraordinary legacy of belovedsoprano, educator, and mentor, the late-Erie Mills, whose artostry and leadership leT an indelible mark on the Bay Area opera community and the international operatic stage.

Each participating company will curate a selection of music showcasing its unique artistic voice.

While admission is free, you are encouraged to reserve tickets in advance via Eventbrite online at https://tinyurl.com/OperaDay2026.