This document discusses the history of the early music revival movement from the 19th century to present day. It covers key figures like Mendelssohn, Dolmetsch, and Deller who helped revive interest in early music. It also discusses the development of period instrument making and performances, as well as changing views around authenticity and historical performance practice over time. The text examines primary sources that inform interpretations of early music and issues surrounding reproducing historical performance styles today.