The Jack Quartet performs IANNIS XENAKIS : ST/4 and JOHN ZORN : Cat O'Nine Tails JACK QUARTET John Pickford Richards, viola Ari Streisfeld, violin Christopher Otto, violin Kevin McFarland, cello Praised for its powerhouse playing by the Chicago Sun-Times, the JACK Quartetmaintains a steady appetite for today's most demanding string quartet repertoire. Comprising violinists Christopher Otto and…