July 2013 Rock & Jazz Clinic Double Bass Fills: Overlapping Into the Next Phrase, Part 2 by Powell Randolph The purpose of this lesson, which is a continuation of what we explored in part one (from the June 2013 issue of Modern Drummer), is to show you how to overlap bass drum notes at the end of a phrase into a crash at the beginning of the next phrase, in order to create a continuous flow of ideas.