Los Angeles Chamber Orchestra’s virtuosic musicians serve as musical tour guides for In Focus, the Orchestra’s newest chamber music series curated by Concertmaster Margaret Batjer, which concludes its inaugural season with special guest Robert Thies, piano, and Principal Oboe Claire Brazeau, joining Batjer and LACO musicians on Wednesday, May 9 at 7:30 p.m., at Rothenberg Hall, The Huntington in San Marino, and Thursday, May 10, 7:30 p.m., at Moss Theatre in Santa Monica.