Description: For the XLVI Venice Biennale Bert Theis created Potemkin Lock, a temporary national pavilion for Luxembourg, situated between Belgium's and Holland's pavilions. For this pavilion, Bert Theis produced a rap with the voice of Marcel Duchamp. Concept: Bert Theis, music and sound design: Raphael, voice: Marcel Duchamp, base guitar: Klaus Deja. Bert Theis on http://heinrichschmidt.blogspot.com