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Universal Application: Designed to improve technical ability, groove, and rhythmic vocabulary for drum set, drum corps, and classical drummers alike. Gaddiments (Book) - Hudson Music gaddiments pdf
The book focuses on a unique system of "rudimental variations," where Gadd takes standard patterns and displaces them across the kit. It seems you are looking for information on
is taking a basic sticking (like a paradiddle) and shifting its starting point by one subdivision (e.g., one 16th note). Hudson Music An effective digital feature for a PDF version would be an Interactive Displacement Overlay Visual Shifting Gaddiments (Book) - Hudson Music The book focuses
Flam on 1, tap on 'a', kick on 'e' of 2. You need the PDF to see the notation—text doesn't do it justice.