Now approaching their 70th year as a concertizing ensemble, the Borodin Quartet’s 1961 Salzburg Festival première of the Eighth String Quartet by Dmitri Shostakovich (with whom they had a close working relationship) confirmed them as one of the leading ensembles not just for works by this composer, but for Russian and contemporary music in general. + Above and beyond this, the Borodin Quartet also demonstrated its immense stylistic competence in works by Brahms and Ravel, whose music framed the work by Shostakovich that lay at the core of that evening’s program.