Had a fun time hanging out with Joe Strummer and his lady friend for an entire evening once in 1991. I was eating at the bar of the restaurant I worked at the time, we got a lot of music royalty and I was not going to bother the guy even though I practically worshiped him. Long story short, they started chatting me up and invited me to tag along with them to go see a friend's band at a club in Hollywood.
I had heard that he could be moody but he was in high spirits that night and various Clash fans were freaked out and delighted to see him at the other club. We talked quite a bit and at the end of the night when they dropped me off at my car at the restaurant, he gave me a big hug and said, "Denis is a good rocker!" Granted, he'd had a few but it was a high point in my rock fan life.