Spencer Perilloux on Instagram: "Most drummers cannot play these advanced flam rudiments correctly. Tribute to Dr. Berger from John Pratt’s Rudimental Solos for the Accomplished Drummer exposes real issues in height control and grace note mechanics. It targets flam paradiddlediddles that switch lead every repeat, inverted flam taps that demand fast, disciplined upstrokes, jelly roll style 8 stroke rolls with almost no space around the accents, and swiss army triplets that only work when three st