Pedagogical in nature, Schirmer Performance Editions offer new research, insightful interpretive suggestions, pertinent fingering, and historical and stylistic commentary. Each volume includes an excellent performance based on the recorded edition. Prepared by experienced artists and master teachers, these publications provide an accurate, well-informed score resource for pianists. This edition includes professional recordings of each piece as well. Audio is accessed online using the unique code inside the book and can be streamed or downloaded. The audio files include PLAYBACK+, a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys, and pan left or right.