What's Howard Webb Doing Conducting 'You'll Never Walk Alone'?

This is apparently from a 2009 ref's convention. Which doesn't make it anymore plausible. It's not the YNWA element to this video that baffles me, it's that Howard Webb's conducting music.

[youtube]http://www.youtube.com/watch?v=XkRcCt1Ikag&feature=player_embedded[/youtube]

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