(Photo credit: Nicole Cetina) San Francisco Opera Orchestra’s third annual Harmonic Interlude Concert will honor hospice workers. ​Soprano Jesslyn Thomas and San Francisco Opera Chorus will present a concert of works by Rossini, Strauss, Villa-Lobos, and Schubert, among others. Robert Mollicone conducts the San Francisco Opera Orchestra. This year’s Harmonic Interlude concert marks the first time vocal selections have been {…}