This video, featuring Gavin Harrison of Porcupine Tree and King Crimson, provides an in-depth look at the complete Rhythmic Illusions concept, featuring: Lessons on Displacement Lessons on Modulation Lessons on Subdivisions and Spacings Master Modulation exercises Four way Harmonic Syncopation On-screen notation Interactive menus for easy navigation of Lessons and Tunes. Interactive alternative audio tracks for music and click options. Set markers for easy access to the chapters inside the lessons. Italian and German subtitles throughout.