FYI ..... To insure success with the Vocabulary Workout concepts, it is recommended that you buy the Jamey Aebersold, Voiume 84 with CD for open practice. Remember, as a full member you are entitled to a one time 30% off discount HERE. This is only good one time, so be sure you get everything you need now. (Or might need in the future!) The Extended D-, CM7 and II-V-I in C Major are available to play here!