(Drum Instruction). In Dubstep Drumming, world-class educator Donny Gruendler walks you through today's most popular dubstep grooves, winding hi-hat patterns, and DJ-esque textures for the drumset. Clear drumset-based demonstrations, exercises, play-alongs, and practice methods help you faithfully replicate these items quickly and efficiently. Also presented are a detailed historical study, an outline of dubstep production methods, and acoustic kit sound modification technique. Click here to see the PASIC 2013 dubstep clinic by Donny Greundler on YouTube.