Pharell Williams - Happy - Learn To Master the Drums

Learn To Master the Drums App shows you how to play the Popular Soul rhythm to Pharell Williams - Happy

Android: https://play.google.com/store/apps/details?id=com.learntomaster.df
iOS: https://apps.apple.com/app/id1321902173
Learn To Master Apps: http://www.learntomaster.com/learntomaster_apps.html