Ex-Prince Nikolaos of Greece launched five new Soundwall artworks at Christie’s in London. Six months in the making, the “prince” got a little help from United States Soundwall company that featured his images onto a floating aluminium plate with a raspberry Pi 2 computer hidden behind. Each work emits a specially curated playlist enhancing the viewing experience.

Naturally, the cream of high society attended, including Prince Michael of Kent, artist Henry Hudson, gallerist David Gill, Richard Briggs OBE and then some. Of course, King Constantine of Greece could not be missing from his son’s big event.