This encyclopedia investigates the historical, cultural, and commercial evolution of the American popular music industry during the era known as Tin Pan Alley. David A. Jasen, a noted music historian and archivist, compiles extensive biographical and technical data to document the songwriters, publishers, and performers who defined the sound of early 20th-century American music. The work provides a structured framework for understanding how the centralization of music publishing in New York City influenced the trajectory of popular song composition and distribution.

Experts and music historians frequently cite this volume as a foundational reference for the study of American popular music. Readers often note the academic density of the prose and the extensive archival research that supports each entry.