Another (brief) game of Answering the Googlers:
I do not know why the Mozart Sinfonia Concertante is not played very often. I have no answers here for anyone searching for Keith Jarrett's recording of Mozart's D minor Concerto, K. 466. Yes, Hindemith has been played. Guitar chords for Flanders and Swann? Sorry. How do New Yorkers say hi? Yes, emancipate the dissonance! Brahms, Schumann, and Schubert analyses will have to be found elsewhere. Time Out Chicago has a blog.