1. Added a link to an audio file (Prokofiev, Schubert-Suite) in the post for 12-08-09.
2. Added a link to an audio file of D581, III, in the post about that work (2-18-10).
3. Updated the post on Gesellschaftspiel with an added graphic and citations to information in Friedrich Dieckmann's book: 12-14-09.
4. Corrected a graphic listing the different "left-hand" transformations; corrected accompanying text. In this post.
5. Added information about the graphic and some of the persons represented to the first of the Atzenbrugg posts.
6. Added a comment about Alexandra Pierce's conception of the embodiment of Schenkerian hearing to this post.
7. Added a note on the Cadwallader and Gagné textbook to this post.
