Lesson 4 Lesson 4 - beats using an open hi-hat Lesson 4 - beats using an open hi-hat Drum school Lesson 4 - beats using an open hi-hat Lesson 4 - beats using an open hi-hat Lesson 4 - beats using an open hi-hat Lesson 4 - beats using an open hi-hat 12345678910111213 adv off Tags: beats using an open hi-hat