..of a group of dancers performing "Do Re Mi" in the Central Station of Antwerp. It kicks off at 8am, the peak of rush hour. The commentator's voice is droning on about trains and platforms, and then suddenly there's the sound of Julie Andrews singing the first bars of the song. People around are clearly stunned, wondering, what's going on here? And then one guy gets in the middle of the main hall and starts waving his hands about. People think he's lost the plot, until he's joined by a little girl, and another, and they're waving their arms together, and more and more, until there are 200 of them, and for four whole minutes they completely captivate the commuters, hold them hostage to their show