An Essential Study of Blues Grooves for the Bass Essential Blues Bass Grooves, within the School of the Blues® Lesson Series, presents 46 bass patterns essential to the gigging Blues bass player. Material is presented in standard music notation and TAB. This book is accompanied by a CD recording of all examples (played by author Frank De Rose) along with the background music. This method is for all skill level players. ©2010, Book & CD, 32 pages.