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https://rietveldacademie.nl/en/page/24429/rietveldtv-by-werner-de-valk-symphony-of-things-the-sisyphean-field RietveldTV by Werner de Valk: Symphony of Things: The Sisyphean Field Recorder - Gerrit Rietveld... werner de valk field recorder gerrit rietveld rietveldtv symphony