In all the Trek I have seen, and I have seen most of all the series and all the films, I don't recall ever hearing any popular music being played. Do you think that it would be out of place to have someone like Tom Paris playing the Beatles, Beachboys, Rolling Stones...ect, he was totally into 21st century stuff, cars, movies, trends...ect why not music from the era also???
It's a little bit condescending. Nearly 300 years after the industrial revolution, we still don't refer to that technology as ancient.
I know almost every concert I've ever been to has been classical or jazz. Perhaps they just figured that people could play whatever music they wanted in their own rooms. Also, classical music/smooth jazz isn't likely to offend anyone, which may have factored in somehow. *shrug*