Rhythmic Horizons Gavin Harrison DVD. New concepts in rhythmic structure and creative ideas for drumset composition. Gavin has worked for the following artist: Lisa Stansfield, Iggy Pop, Level 42, Paul Young, Artful Dodger, Dave Stewart and many More. This DVD provides Lessons on Overriding, Resolving, Polyrhythmic Theory, Convenient markers at the start of each lesson, Play along midi file, Printable pdf's of all lessons, Excerpt of Porcupine Tree's live DVD and Much Much More.