'As One,' the every(wo)man transgender opera

'As One,' the every(wo)man transgender opera

When Long Beach Opera brought Laura Kaminsky’s “As One” to Southern California for the first time Saturday night, it was as one more. This is the ninth production of the opera, which had its premiere less than three years ago at the Brooklyn Academy of Music and has since been performed across the United States as well as in Montreal and Berlin. This year alone, Pittsburgh Opera and Opera Colorado have mounted “As One.” Next month: New Orleans.

The world clearly needs a readily accessible transgender opera with a warm heart.

The accessibility concerns not only Kaminsky’s musical style and the opera’s emotional directness but also its compactness. “As One” needs only a...