This encyclopedia investigates the historical development, technical construction, and performance practice of the harpsichord and clavichord. Igor Kipnis, a renowned harpsichordist and musicologist, compiles extensive research to provide a comprehensive reference for musicians, historians, and instrument builders. The work utilizes a structured alphabetical format to catalog key makers, specific compositions, and mechanical innovations that defined the keyboard era.

Experts recognize this volume as a foundational reference for scholars and performers interested in early keyboard music. Readers frequently note the technical precision of the entries and the depth of the historical documentation provided by the author.