Recent Examples on the WebAlso, just announced: the Jack Quartet, performing more modern pieces from John Zorn, Chaya Czernowin, and Marcos Balter, along with a new arrangement of medieval plainchant from Jack violinist Christopher Otto. Corey Seymour, Vogue, 13 Aug. 2018 Accompanied on historical instruments, scenes from the drama will be interwoven with polyphony, plainchant and instrumental improvisation. Gerri Marmer, Washington Post, 5 May 2017