"World premiere recording" of Ahnung, from the manuscript discovered at the Leopold-Sophien Library, Überlingen, in 2006. Compact disc (DDD). Program notes by Matthias Kirschnereit and Ulf Brenken in German with English translation (22 p.) in container. Recorded 7-9 January 2010 at Bayerischer Rundfunk, Studio 2, München. Matthias Kirschnereit, piano.