When I was a teenager in the 60s I loved Pop Music. When a new record was released by the Beatles or the Rolling Stones all the boys in the class would gather at the house of the only one who had access to a record player to listen to the new record over and over again.
And with a bit of luck we might hear it on the radio one day. I was living in Denmark, and Danish Radio was a state monopoly. You couldn't just let people listen to anything they liked. People had to be "educated" in good taste. And good music taste was defined by progressive social democrats, most of them fascinated with jazz music. And being employed by the state they would stay forever, and if someone new got in, it was most likely friends or someone who had been "politcally" approved. Jazz, jazz, jazz was what we got, Pop Music was what we wanted.
1 (one) hour every day the was pop music on the air. Not much for a starving ear. Nobody liked to be disturbed during that our.
We listened to the radio a lot anyway, because music is nice, even if it is just background music to do homework to. This way we had thousands of hours of jazz music going through our heads. In one ear and out the other. But some of it must have stayed. Sometimes I hear some jazz music now - not on the radio where they now play only Pop Music - and I recognise it. I don't know the titles, I don't know the singers or the musicians, but I recognise the music that have been through my head many times before.
I used to hate it, now I love it.
Here's an example:
That jazzy sound