Many, all for different reasons:
Air - Casino de Paris 2009. A home gig for them in the place where Piaf had a residency, so much atmosphere.
Roger Waters - O2 2011. The one where Gilmour and Mason joined in.
Half Man Half Biscuit - Leicester Uni 1986. Fred Titmus!
The Pogues - Leicester Poly 1985. Mayhem.