The Whistling Blackbird both reveals how his renown came about and illustrates vividly why he deserves such recognition as a theorist. One hopes that it will prompt further serious interest in him as a composer. Each essay reaches far beyond the workshop to engage reasons why the music was made at all. Since much of the book seems to be engaged with placing surprising ideas in conversation with each other, the reader will feel invited to join in. AMERICAN MUSIC [Andrew Mead]