Robotic Glockenspiel Player: XILO is a slightly frightening-looking device which uses the Lego camera to watch the player and transfer his or her movements into real-time Glockenspiel playing: "With just a little practice, you can make XILO create beautiful music!"

ENGADGET: Music Thing: Musical instruments made of Lego

At the rear of the store, the wall of that vocal booth is plastered with Stones memorabilia (including frankly frightening shots of a pubescent-looking Jagger), while a small stage hosts in-store events.

BBC: Denmark Street and Soho: London's Tin Pan Alleys