This work investigates the evolution of Western musical forms and styles to provide the layperson with a comprehensive framework for understanding classical compositions. Percy A. Scholes, a prominent musicologist and critic, utilizes his extensive background in music education to synthesize complex historical developments into accessible prose. The text argues that an informed listener gains greater aesthetic value from music by understanding the cultural and technical context of the composer's era.

Musicologists and educators frequently cite this work as a foundational text for developing musical literacy in the mid-20th century. Readers often note the clarity of the prose, which balances technical accuracy with an approachable tone suitable for the general public.