Hal Leonard Corp. 073999480177 The Ultimate Practice Guide For When Music Works DVD Series. Berklee DVD. With DVD. 5.25x7.5 inches. Published by Berklee Press. Sing with more power and passion under the guidance of Donna McElroy, Berklee professor, Grammy nominee, Dove Award winner, and vocalist on multiple gold and platinum records. In this Master Class, McElroy shows you how to use the whole body to become the best singer you can be. See her work with a vocal student one-on-one, demonstrating how to use different muscle groups to increase vocal strength a