Provides an in-depth look at the complete Rhythmic Illusions concept revolutionized by Gavin Harrison, a four time Grammy®-nominated drummer. It features lessons on displacement, modulation, subdivisions and spacings, master modulation exercises, and four-way harmonic syncopation. Also includes five full-length performances, alternative audio mixes with and without click tracks, on-screen notation, markers at the beginning of each lesson in every chapter, and subtitles in German and Italian.