Crystal explained, "As I pulled up to the theater, I heard the news, so now I was stunned, and 20 minutes later I'm on the stage with him. We had a ball. It was really fun, and I'm really happy for him� bittersweet feelings."

Billy continued, "After 34 years of broadcasting, Dave is an iconic comedian to us and a contemporary who broke down a lot of barriers of late-night when it was his time, the way Jimmy [Fallon] is doing that kind of thing now. It's what happens. It's not easy to say goodbye to people you really care about."