• Christoph Keller, Robert Adlington, Giovanni Intra, Mark von Schlegell, John McDonald
• Slave Pianos : A Diagnosis, 1998-2001

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• Revolver / Archiv Für Aktuelle Kunst, Frankfurt/Main, 2001
• cardboard box with 12inch record, cd, cassette tape and a text book
• edition 500

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• subject： 2000-09, sound

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• Ask