Stan Rogers. The original Clancy/Makem group. Billy Holliday. Big Mama Thornton. Patsy Cline. Blind Lemon Jefferson. Howlin' Wolf. Leadbelly. Hank Williams Sr.

There are so many, and some I've only come to appreciate after it's too late to see them in person.

And the "Toby" shows -- my youngest brother worked one the first summer he was out of college.