'Perfect Night': Sarah Silverman's Hilarious Music Video Featuring

YouTube Comedy Week continues apace - and many of its videos have a musical theme, it seems.

We've already had David Brent's guitar tutorial, 'Rickrolled' Reggie Watts, Axis Of Awesome's 'Start A Mumford Band' - and now it's this very funny offering from Sarah Silverman (and

Click play to enjoy - and no doubt relate. Because this s***'s not about to get crazy.

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