This collection investigates the lives and artistic contributions of seminal jazz musicians through a series of profiles written by a veteran critic. Whitney Balliett, a long-time contributor to The New Yorker, utilizes his extensive experience in music journalism to document the evolution of jazz. The book presents a series of biographical sketches that analyze the technical proficiency and personal histories of various performers. By synthesizing interviews and performance observations, Balliett constructs a detailed portrait of the jazz landscape during the mid-20th century.

Critics frequently cite Balliett as a definitive voice in jazz criticism, noting his ability to translate complex musical sounds into evocative prose. Readers often highlight the accessibility of these profiles, which serve as a foundational resource for those interested in the history of American jazz music.