The Synergy Method for Marimba is a method book for mallet keyboard percussion. It predominately focuses on 4 mallet technique and exercises, although there are some 2 mallet exercises as well. In all, there are over 300 exercises. Already this marimba method book is being referred to as "The Encyclopedia of Marimba Exercises." If you enjoyed Stevens' Method of Movement, this will become one of your favorites as well. This is the epitome of keyboard method books; a future bestseller.