This Augmented Reality (AR) event is running from today until 21 July, with a performance every ten minutes of the song Packaged (by 'kz livetune', who is most famous for Tell Your World).
So, if you are lucky enough to be able to get to Roppongi in Japan, and have an Android device or a PlayStation Vita, you can download the app, go and point your device at a specific building (the Metro Hat), and get the performance on the evenings of these six days.
Oddly, the specific hours it works aren't related to any specific transmissions, as one might have thought, but are taken from your own 'phone/device's closk(!). Here are the details of the event, complete with a download link for the app.
For the rest of us, this video (in rather a noisy location, so the sound isn't clear – but you'll get the idea) will probably have to suffice, though I now learn (at 0600 hrs on 17 July) that this image of the building can be used as a substitute...