Rhythmic Designs expands on the groundbreaking polyrhythmic, polymetric concepts covered in Harrison's previously published Rhythmic Illusions, Rhythmic Visions and Rhythmic Horizons books and videos byoffering detailed analysis and transcriptions of twenty drum tracks from the recent Gavin Harrison & 05Ric albums Drop and Circles (featuring guitarist Robert Fripp and keyboardists Dave Stewart and Gary Sanctuary).Along with the 204-page book of note-for-note tr