This book investigates the technical and rhythmic requirements for effective jazz accompaniment, commonly known as comping. Hal Crook, a renowned jazz educator and performer, utilizes his extensive pedagogical experience to break down the complex art of supporting an improvised solo into manageable, sequential steps. The text provides a structured framework that moves from fundamental concepts to advanced harmonic and rhythmic applications, supported by practical exercises and recorded audio examples.

This work is regarded as a standard technical resource for intermediate and advanced jazz musicians seeking to refine their ensemble playing. The systematic approach and inclusion of audio materials suggest a highly practical, pedagogical focus suitable for both self-study and classroom instruction.