(Schirmer Performance Editions). Kabalevsky's pedagogical works develop real musical culture in children. This volume contains both the easier pieces from opus 39 and the intermediate pieces from opus 27 into one convenient and value-priced edition. The book includes access to professional recordings of each piece. The audio is accessed online using the unique code inside each 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.