How to Play a three-chord (I-IV-V) ostinato on the xylophone

In this video xylophone lesson for aspiring mallet percussionists, we learn how to play a two-chord ostinato on the xylophone using three mallets. The chord progression is a simple one, commonly heard in popular music. It moves from the root or tonic (I) to the subdominant (IV) to the dominant (V).