"What's That Sound? : An Introduction to Rock and Its History" by Andrew Flory and John Covach is a comprehensive textbook that delves into the world of rock music. Published by Norton & Company, this trade paperback book offers a detailed exploration of rock's history, evolution, and impact on popular culture. With 672 pages, this publication provides a scholarly yet accessible approach to understanding the sounds and significance of rock music in various contexts. Written in English, this textbook is a valuable resource for music enthusiasts and students looking to deepen their knowledge of rock music.