Jörgen Jersild: 30 Polyrhythmic Etudes
A superb collection of thirty exercise and studies for both Keyboard Instruments and Ensembles, this book helps develop a practical musician?s skill at confronting music with polyrhythmic structures, for example, a division of 7 against 4. When polyrhythmic structure is perceived and executed, it creates striking effects with nuances and intricacies within the rhythm.