(Piano Solo). Moszkowski's 20 small Etudes op. 91 belong to the standard works in the medium-heavy range. They address a wide range of advanced piano students due to their wide range of assignments. All etudes are characterized by a good piano set and manageable length, which allow a concentrated practice. New edition in the famous series "Essential Exercises" with practical instructions for the lesson. | 20 Little Studies Op. 91 by Moritz Moszkowski, Paperback | Indigo Chapters