The editorial team assembled for this landmark edition could hardly be more distinguished. Four of the world's most respected Chopin specialists have been appointed as Series Editors: John Rink, Jim Samson, Jean-Jacques Eigeldinger and Christophe Grabowsk. Their unrivalled collective knowledge imbues this project withunique authority , drawing upon the latest international scholarship. This committee supervises the work of seven additional volume editors and takes ultimate responsibility for the stylistic integrity and consistency of the edition. Key Features of the Edition: An introductory essay in English, German and French examiningthe historical background, compositional features and performance practice issues The identification of, and adherence to, a single principal source A detailed and comprehensive critical commentary Chopin's authentic fingerings only Emphasis placed on retaining expressive features of the original notation Appendices containing earlier versions of the Preludes in G major and Ab major Notes on the editorial principles and methodology guiding the whole project.