I mean, really - can you get more iconic than "Hey Jude?" Is there a person living today in...well, I know there are some parts of the world where one might not find readily available recorded music, but let's just say in those places were such music is easily accessible...that doesn't immediately know the meaning of "na na na/na na na na/na na na na/Hey Jude?"
I really don't know what else to say. I have no idea how many times I have listened to this song, but I know that I've never ever gotten tired of it.
The Beatles, "Hey Jude," from the summer of 1968.