The Guess Who - No Time

While I'm not encouraged by this message, I do love me some Guess Who. I had the opportunity to see them in concert back in the early 2000's. Burton Cummings wasn't with them but the vocalist they had sounded very much like him. My wife has crossed paths with them, also. She worked a summer at a theater somewhere on the East Coast and they did a concert there. I think she said that one of the old guys flirted with her.
When the theme of time hit my brain this morning, I was also hit by the song "Tempus Fugit" by Yes. What other "time" songs can you think of? I'd love to hear from you.