Compact disc. Recreation of the program of a concert given by Chopin Feb. 21, 1842, performed on a piano he might have played. Program, biographical and historical notes in French with English and German translations (29 p. : ill. (some col.), port., facsims.) inserted in container. Recorded Mar. 2009, Paris, IRCAM, Salle modulable. Alain Planès, piano (Pleyel, 1836).