[1]

 It is a light art, where different colour of light is produced simultaneously. It is controlled by the computer.

“In December 2002, Pierre Huyghe created L’Expedition Scintillante: A
Musical at the Kunsthaus Bregenz, the first stage of a much larger
project. Using the three different floors of the building, he created
three different environments which reflected three acts in a musical.” [2]

[3]

[1] http://www.orbit.zkm.de/files/Fashton_huyghe4.jpg

[2] http://mobile.orbit.zkm.de/?q=node/102

[3] http://www.bombsite.com/images/attachments/0003/1816/Huyghe_01_body.jpg