The weather looks to be dry but cool, so dress warm and maybe bring a blanket, but definitely show up. This should be a great event and, crucially, could be a precursor to future film events in Overton Park. We'll see you there.
If you need further enticement, a couple of clips of what you would be missing by staying at home:
The King reaching way back and deep down:
The Dude, in all his righteousness, hating the Eagles: