Sorry, Barbara it's not John Prine.But your answer reminds me of an anecdote.
On the night before the start of the Mariposa Folk Festival in 1974 or '75, I was having a beer in the bar of the Executive Motel with this mystery artist. Steve Goodman, who I knew, and another guy come in and join us. Steve only made first name introductions. After about 10 or 15 minutes, it dawned on me that "John" was John Prine.
MR