Turley Richardson at a bar in Louisville, KY.
Judy Cook - whether in performance or a song circle at the Getaway
Arlo Guthrie - at an acoustic, solo concert in a small venue in WV in the early '70's
Ralph Stanley when Keith Whitley was with him, early to mid 70's, Blue Grass festival in the Clinch Moutains of Va.
Bobby Bland - Dayton, Ohio, mid-80's
Ray Charles - Dayton Ohio, mid 80's
David Bowie - his Space Oddity tour -Charleston, WV early to mid-70's.
Frank Zappa - late 70's, Charleston, WV
Long John Baldry - Akron, Ohio late 60's or very early 70's.
Mick Lane - Getaway mini-concert, early 2000's
Doc Watson - Bluegrass festival - southern WV, mid 70's.

I obviously don't get around much any more. Combination of low income and increased reclusiveness as I age.