...“433” by the “composer” John Cage which consists of four minutes and 33 seconds of silence.
I love that one! I’ll listen to it over and over.
On the other hand, “433” would be a great for use by restaurants that insist on playing background music. Then it might be quiet enough to converse while eating.
Hasn’t got a chance - doesn’t fit in the 3 minute time frame radio stations demand.