Notes: Critical Band” (1988), “Harmonium #2” (1976), “Koan: Having Never Written A Note For Percussion” (1971). zeitkratzer directed by Reinhold Friedl: Frank Gratkowski (clarinet), Hayden Chisholm (alto saxophone), Matt Davis (trumpet), Hilary Jeffery (trombone), Reinhold Friedl (piano), Maurice de Martin (percussion), Burkhard Schlothauer (violin), Anton Lukoszevieze (cello), Uli Phillipp (doublebass), Ralf Meinz (sound ). Recorded live at Philharmonie Luxembourg, Luxembourg, October 3, 2009. Recorded and mixed by Ralf Meinz and Reinhold Friedl, produced by Burkhard Schlothauer, executive producer: Reinhold Friedl.