Van speeldoos tot muziekcomputer (1976)

Published on Jul 26, 2010 Nederlands Instituut voor Beeld en Geluid

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The following is the video description by some additional info I found on Wikipedia.

"Tentoonstelling 'Van speeldoos tot muziekcomputer' in het Van Goghmuseum in Amsterdam. Beelden van een cilinderspeeldoos uit 19e eeuw, een draaiorgel met orgelboek, een apparaat met papieren muziekrol laat piano en violen spelen, een grote muziekcomputer met veel draden van de Belg Leo Küpper die een demonstratie geeft voor het publiek. Diverse shots van het interieur van het Van Goghmuseum.
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Googlish:

"Exhibition 'from playbox to music computer' in the Van Gogh museum in Amsterdam. Figures of a 19th century cinderella box, a revolving organ with organ book, a piece of paper musical instrument play a piano and violins, a large music machine with many threads of the Belgian Leo Küpper which gives a demonstration to the public. Various shots of the interior of the Van Gogh museum.
Order your TV favorite on DVD?
Go to: http://www.beeldengeluid.nl/tvfavoriet "

If anyone knows more about this system feel free to comment. I did a quick search on Leo Küpper and found the following on a Wikipedia article for Miguel Bonachea:

"Bonachea is an enthusiast advocate of contemporary music and has devoted part of his professional career to its advancement. In the 1980s, he was a co-founder of the National Laboratory of Electro-acoustic Music in Havana, led by composer Juan Blanco, a pioneer of electro-acoustic music in Latin America. Bonachea has been invited as a guest performer in residence at the “Laboratory for Researches on Electro-acoustics of Brussels”, Belgium, to participate in the creation of a composition titled “Guitarra Cubana” by Belgian composer Leo Küpper.[5] Since the beginning of his career, Bonachea has included in his repertoire contemporary works from contemporary composers such as Leo Brouwer, Carlos Fariñas, Hector Angulo, Bernardo Cardona, Efraín Amador, Jose A. Pérez Puentes and Armando Rodriguez Ruidiaz, among others. Renowned composers Leo Küpper (Belgium), Moisés Bertrán (Spain), Andrés Posada (Colombia), and Yalil Guerra (Cuba-USA) have dedicated original pieces to Miguel Bonachea.[4]"