Perloff states "It is the paradox of postmodern genre that the more radical the dissolution of traditional generic boundaries, the more important the concept of genericity becomes. "Hubert contributes an essay critically analyzing the book "Une Piece Ciruclaire" and Perloff one on Cage's "Roaratorio;" both books are held by Sackner Archive. -- Source of annotation: Marvin or Ruth Sackner.