TWICE AS NICE

Celebrated violinist Itzhak Perlman will fiddle with the stick and the bow when he does double duty with the Los Angeles Philharmonic, conducting the orchestra and playing the violin solo in Bach’s Concerto in E, then leading the Philharmonic in Mozart’s “Haffner” Symphony and Brahms’ Fourth Symphony. 11 a.m. Friday; 8 p.m. Saturday; 2 p.m. Sunday, Walt Disney Concert Hall. $40-$142. (323) 859-2000; www.la phil.com/tickets