Instrumental, Piano Solos, Otte, H (composer)

Ralph van Raat (piano)

Florian Fricke (piano), Hans Otte (piano), Herbert Henck (piano), Cecil Lytle (piano), Terry Riley (piano), Peter Michael Hamel (piano)

Philipp Vandré (piano) & Elmar Schrammel (prepared piano)

Ralph van Raat (piano), Håkon Austbø (piano), Netherlands Radio Chamber Philharmonic, JoAnn Falletta

Herbert Henck

Piotr Plawner (violin), Madeleine Mitchell (violin), Gordon MacKay, Joseph Spooner, Shirley Rumsey, Christopher Wilson, Helene Jeanney, Hai Ye Ni, Mikael Ayrapetyan, Claudia Stein, Andreas Greger, Boris Berman (piano), Axel Strauss, Homayoun Shajarian, Ali Khodaei, Kayvan Farzin, Ali Najafi, Sulmaz Badri, Ali Yari, Reza Najafi, Sara Rezazadeh, Judy Loman, Majella Cullagh (soprano), Lynda Lee, Paul Charles Clarke, Ian Caddy, Damien Smith, Quentin Hayes, Alan Feinberg, Yit Kin Seow, Nigel North (lute), Anssi Karttunen (cello), Len Vorster, Ralph van Raat (piano), Solomiya Ivakhiv, Steven Beck (piano), Daumants Liepiņš, Failoni Chamber Orchestra, Budapest, Hanspeter Gmur and Carl Ditters von Dittersdorf, Carl Ditters von Dittersdorf, Laura Buruiana, Martin Tchiba, Kayoko Naoe, Asako Tamura, Bokyung Byun, Kammersymphonie Berlin, Prague Symphony Orchestra, Minas Gerais Philharmonic Orchestra, Nashville Symphony Orchestra, Fort Smith Symphony, National Symphony Orchestra of Ukraine, South African Broadcasting Corporation National SO, RTÉ Philharmonic Choir, RTÉ Concert Orchestra, Santa Barbara Symphony Orchestra, Victoria State Orchestra, Cappella Romana, Brasil Guitar Duo, Delaware Symphony Orchestra, Janáček Philharmonic Ostrava, String Quartet Leone, Dominion String Quartet, Jürgen Bruns, Kamran İnce, Fabio Mechetti, Kenneth Schermerhorn, Alessandro De Marchi, John Jeter, Vladimir Sirenko, Richard Cock, Proinnsías Ó Duinn, Gisele Ben-Dor, Brett Kelly, Alexander Lingas, David Amado, Hanspeter Gmur, Marek Štilec

Gabriele Emde (harp)