In 1997, a music historian interviewed Stephen Sondheim at length about his work for the Library of Congress. I've linked you to dozens of Sondheim interviews on this blog but this one is kinda different. For one thing, he didn't tell all the same stories he told in those other interviews. For another, he goes over his manuscripts with the interviewer and discusses in depth why he did what he did. And for another, this interview runs over six hours.
Let me say that last thing again and put it in all caps, boldface and italics and underline it for emphasis: THIS INTERVIEW RUNS OVER SIX HOURS!!!!!!! And I also put in seven exclamation point. Don't say I didn't warn you.
If you want to watch it — and I can understand how you might not — you have two choices. The embed below is of the entire interview which, in case you've forgotten since the paragraph before last, RUNS OVER SIX HOURS!!!!!!!
Or you can go to this playlist and watch it in thirteen segments. If you do that, be aware that the playlist is for fourteen videos, the last of which is the entire interview which, as you may recall, RUNS OVER SIX HOURS!!!!!!! Again, don't say I didn't warn you. Here's the whole thing…