John Zorn's acclaimed "Arcana" series, now in its seventh installment, is a major source on new music theory and practice in the twenty-first century. The most varied collection to date, "Arcana VII" includes personal essays by New Music luminaries Pat Metheny, Bryce Dessner, Irvine Arditti, Thurston Moore, Kenny Werner, Eugene Chadbourne and David Krakauer alongside articles on musical theory and practice by veterans Joe Morris, Matt Shipp, Ben Goldberg, Ches Smith, George Steel, Billy Martin, Hilda Paredes and Gloria Coates and insightful new views by younger musicians Chris Otto, James Moore, Theresa Wong, Shanir Blumenkranz, Jay Campbell, Du Yun, James Ilgenfritz, Chuck Bettis, Aya Nishina and many others. A kaleidoscope of manifestoes, scores, interviews, critical papers, musical studies, rants and more, "Arcana VII" is a fascinating compendium from first word to last.