Oh — Leo Kotke!!
As a teen I always used to catch his concert around Christmas time with a special girl. He sure could play - but like he used to say - his voice sounded like goose farts on a foggy morning! (Actually he wasn’t THAT bad!).
I've seen Leo many, many times in Athens, GA, usually in a small coffee house with room for about 20 people. That guy is absolutely incredible on guitar. Just don't let him open his mouth.....