For the time being, George's final HBO special,
It's Bad For Ya, can be seen here on YouTube. His comments on getting old and on things people say after someone dies are now especially poignant (and still trenchantly funny). This was first broadcast only months ago. As swan songs go, this is good stuff, and precious now that there will be no more.
Edited to add: I will wait a lot more than six weeks before I scratch you out of my book, George!