This is massive – 36 CDs. I am into the 5th disc year 1959. It’s called KHJ LA Rockumentary. I can only listen to it when I am in the car. Staggering 52-hour radio program produced in 1978. I am (re)discovering many things. Feels so great to have accessed this gem.
Wiki link: https://en.m.wikipedia.org/wiki/The_History_of_Rock_and_Roll