Subtitled "A Definition of Its Idioms," this book was written by one of the leading exponents of avante-garde technique. It contains chapters on voice-added sound, multiphonics, glissandi, microtones, vibratos and trills, other body sounds, playing the horn disassembled, percussive devices & sounds, mutes, means of extension, theatric implications, and other shorter articles. Includes many musical examples, though no complete exercises or etudes. 110 pages, with CD. Spiral bound. -cdp