Stuart Bull's Rock Jam - Rock Improvisation Techniques. This superb DVD is designed to give you the tools to jam along to music, whether it's a song on the radio a piece of television music or a backing track. You will learn to locate the " key " & notes necessary to play along. A unique " timing system is used to build licks & ideas needed for improvising. Your individual skill level can be addressed using this system, providing the player with usable musical phrases and licks, and More.