8(Percussion). Immerse yourself in the world of body percussion with this fun and engaging resource from the Beat Goes On founder Ollie Tunmer. Build confidence, develop coordination, boost your well-being and have loads of fun with this collection of individual and group-based exercises. This book is enhanced with video tutorials to guide you step-by-step through each exercise. Video is accessed online using the unique code inside the book and can be streamed or downloaded.