This volume investigates the technical and stylistic requirements for the authentic performance of Johann Sebastian Bach's keyboard compositions. The work serves as a pedagogical framework, drawing upon the composer's own pedagogical methods and the broader Baroque performance practices of the 18th century. It provides a structured approach to ornamentation, articulation, and rhythmic interpretation, aiming to bridge the gap between historical notation and modern performance execution.

Musicologists and performers frequently cite this text as a foundational resource for understanding the nuances of Bach's keyboard works. The prose is highly technical, requiring a significant level of musical literacy to fully implement the suggested performance practices.