Not to be outdone, I was in the Free Trade Hall when the Duke Ellington 70th Birthday Concert was recorded on November 26th 1969. In the band were Hodges, Gonsalves, Carney, Cootie Williams and Cat Anderson. I still remember Duke announcing Rolf Ericson as "all the way from Sweden"!
Come to think of it, have we ever had a "recordings-I-was-at" thread?