in "electronic painting" at the 1990 "tomorrow is yesterday" exhibition at museum het prinsenhof in delft, a white-gloved chief curator replaced a painting of the holy family (c. 1500, unknown master) by a beautifully framed photo of mwc at their 1989 overnight stay in the frans hals museum. a video of the holy family painting was shown on a monitor in an open safe; after visiting hours, the safe was locked.