Regardless of who originally made it popular, any hit song becomes a challenge to the ingenuity and imagination of other musicians and performers.
I mean, first, almost all writers these days teach because they don't make enough money publishing to live on, to support themselves - people like Tobias Wolff, Anne Beattie, Amy Hempel, Stuart Dybek; a lot of short story writers, for one thing.
That is one of the reasons one enjoys acting. Now and again, you get scenes where you work with somebody really good and you have a good time trying to make it really work and really work well.