You're right.
Joan Rivers: piano aka Patti Bown
Ferdinand "The Bucket" Slonimsky: bass
Sorry I was just trying to help as I was called away for dinner.
For the Paris concert of February 14, 1960 the band consisted of:
Clark Terry, Benny Bailey, Lennie Johnson, Floyd
Standifer (tp,flhrn) Quentin Jackson, Jimmy Cleveland, Melba Liston, Ake Persson (tb) Julius Watkins (fhr)
Porter Kilbert, Phil Woods (as) Budd Johnson (ts) Jerome Richardson (ts,fl) Sahib Shihab (bar) Patti Bown
(p) Les Spann (g,fl) Buddy Catlett (b) Joe Harris (d) Quincy Hones (arr,cond)