Bartók's Mikrokosmos has been one of the milestones in pedagogical piano repertoire for 80 years - and yet it is also far more than a "classical" piano primer. These 153 piano pieces, organized in ascending order of difficulty, engage not only with technical aspects of piano playing but also with the fundamentals of composition - from "Imitation and Inversion," "Ostinato," and "Free Variations," concerning compositional technique, to mood pieces and pieces with programmatic ideas such as "Nottur...