Interesting thread. I remember in high school listening to the Pittsburgh top 40 station while working on my HO layout. That was the early '70s. After college, I worked in Richmond Virginia for a while and started listening to country. Then I listened to oldies, 50's to early '70s. Later, I realized I liked older Southern Rock. Now I don't listen to much of anything, except my wife's piano and when our music student youngest daughter is home I hear her opera and whatever classics she is practicing.
If they aren't playing or singing, I just listen to the trains singing on the rails.
