Weinberg revered Shostakovich: “Although I never had lessons from him, I count myself as his pupil, his flesh and blood.” Their symphonies confront a dark century, whether Shostakovich’s haunted, enigmatic 15th, or Weinberg’s 21st and final symphony: a vast, uncompromisingly emotional meditation on the Jewish prayer for the dead. Mirga Gražinytė-Tyla, the CBSO and Kremerata Baltica come together for a truly historic UK premiere.