A step-by-step tutorial on the study of drumset grooves. The four basic rhythm s and beats discussed are: Malay, Chinese, Indian and Sikh rhythms. Contains i nformation on how to use the systems, notation for the various patterns and mo re. The companion CD has all rhythms recorded to help the learning drummer. Th e beats are organized into groups of 10 variations per rhythm study for a tota l of 40 grooves arranged in sequence for the beginner/intermediate drum studen t.