We are highlighting these three classes on Kuntres Acharon (the Fifth Book in the Tanya), Essay Six for Shavuos under the title, "The Nature of Torah". As you will see, Essay Six deals with the question of why David HaMelech (King David) was punished for referring to the Torah as Zemiros (Songs). In order to attack this question, Rabbi Paltiel presents an extensive discussion on the nature of the Torah and he recommends these class for Shavuos preparation.