I think the difference is those who are older came of age in times when radio was king and played a wide range of music, it wasn’t balkanized as it is now.
Example - 1967 rock radio playlist:
http://www.radiotapes.com/WDGY/WDGY_7-22-1967.jpg
There still good music being made, but nowadays you have to know what you’re looking for and where to find it.
Wow. I was going into my senior year of college. Two years later I’d be at a place called Hill 55......
