To hear what it was like to play professional football in the early days of the NFL, you’d want to talk to a guy like Y.A. Tittle. Interested in the history of the feminist movement? Go hear a Gloria Steinem talk. George McGovern could tell you all you needed to know about trying to change a political party.
And if you wanted to learn about folk music — which reaches back several centuries yet still shapes the music we hear today — you couldn’t do much better than going to a Tom Rush concert.