Performed and dated works after the National Edition of the Complete Works of Chopin [ed. Jan Ekier].
Fortepiano Erard 21118, 1849 Pitch: a= 430 Hz The piano was a gift for the Fryderyk Chopin Institute from the Ryszard Krauze Foundation Fortepiano tuning: Szymon Jasnowski Recorded in Witold Lutoslawski Concert Studio of Polish Radio, Warsaw, 27–28, 31 August and 1 September 2012