A great primer for learning basic skills in major and minor keys. Contains 30 extended tracks of recorded background. Special tracks have Jamey Aebersold playing various exercises and soloing with actual cuts from this volume so you can hear and see how to use this set. This set will help your students gain confidence no matter what their level of ability. Pick a different key each day or week and practice! This is one of the most-used sets in this series! Level: All.