After a broadcasting school production class, I talked with the instructor briefly about the rock station where he worked. He caught me off guard by asking, "What did you think of (a particular shift on the station) when I was doing it?"
I hadn't heard a ton of his on-air work, but what I'd heard sounded...fine. Not outstanding, not terrible, but simply decent. It would have been churlish to say his DJ patter sounded serviceable or workmanlike, though, so I said, with not quite enough conviction, "Sounded great."
"Interesting observation," he mused.
Apparently, my poker voice wasn't quite convincing.