Written by Matt Sorum (Guns N' Roses Velvet Revolver) and Aussie all-star Sammy The Bull Aliano Double Bass Drumming and Power Fills Workout is designed to help drummers improve their independence and control; develop coordination and fluency between their hands and feet; sharpen their reading skills; and build speed endurance power & precision no matter what their drumming style. The in-depth Power Fills workout section is an indispensible collection of over 300 exercises and variations. This book is a definite must for any drummer's collection ... Matt and Sam have truly created a masterpiece. John Tempesta (The Cult)