Concert for 24 Guitars, January 21/22, 1984.

Two concerts. Part of the series "Image and Sound", which also included concerts by Relly Tarlo and Z'ev. Organised by the Haags Gemeentemuseum (Gerrit Jan de Rook, Flip Bool) in cooperation with Corps de Garde (Van Lagestein)

Exhibition Anti Qua Musica, September/October 1989.

Exhibition Anti Qua Musica, curated by Dick Raaymakers. (Also including Michael Barker, Chilius van Bergeyk, Michael von Biel, John Cage, Mauricio Kagel, Nam June Paik, Dick Raaijmakers, Horst Rickels, Jon Rose and Karlheinz Stockhausen.)

Concerts on August 27, September 17, and October 29. Live broadcast by VPRO (Dutch National Radio), presented by Michael Fahres.

Live recordings released on the 70' Audio CD "As Is", by Helmholtz Theater/ Staalplaat, Amsterdam, 1990. Production: Van Lagestein.

Catalogue: Dick Raaymakers (ed.): Anti Qua Musica. Den Haag: SDU, 1989.   (Including a paper by Remko Scha: "Muziek en Mechanica." (pp. 67-72).)