How Long Blues
- 5known performances
- July 11, 1970first known
- February 12, 1989last known
Performances
- July 11, 1970 — Fillmore East, New York
- July 14, 1970 — Euphoria Ballroom, San Rafael
- August 19, 1970 — Fillmore West, San Francisco
- November 7, 1970 — Capitol Theater, Port Chester
- February 12, 1989 — Great Western LA Forum, Inglewood