The final Grateful Dead show broke records last night, as hundreds gathered to say goodbye to one of America’s greatest musical acts.

And of course, as it is the law in America, whenever something insanely cool and culturally relevant happens, Bill Murray must be there.

But he’s not the only famous face that was in attendance last night. Game of Thrones author George RR Martin was also spotted, chilling and thinking about which beloved character he’s going to kill off next.