A step-by-step tutorial on the study of drumset grooves. The four basic rhythms and beats discussed are: Malay, Chinese, Indian and Sikh rhythms. Contains information on how to use the systems, notation for the various patterns and more. The companion CD has all rhythms recorded to help the learning drummer. The beats are organized into groups of 10 variations per rhythm study for a total of 40 grooves arranged in sequence for the beginner/intermediate drum student.