Chief Conductor of the Netherlands Radio Philharmonic Orchestra Karina Canellakis makes her San Francisco Symphony debut in a presentation of music by two Russian heavyweights: Prokofiev’s ravishingly colorful and percussive Piano Concerto No. 1, played by the Ukranian piano powerhouse Alexander Gavrylyuk (who also makes his SF Symphony debut at these concerts), and Shostakovich’s defiant 1941 bombshell, the Leningrad Symphony