Gridding Concepts for Marching Bass provides you with a 10 WEEK GRIDDING CURRICULUM that is designed to test your chops and develop advanced rudimental performance. Enjoy tempo thresholds, practice tips, and exercises that work on a variety of demands.
GRIDBOOK ACADEMY MEMBER DISCOUNT
Use coupon code "GPA10" at checkout for 10% OFF your entire order on shop.gridbookpercussion.com.
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