One of the best line-ups I ever saw live in a single evening was perhaps one of the first jazz concerts (maybe the first?) I ever attended in around 1968.
The Berkeley Jazz Festival- Max Roach with Abbey Lincoln, Archie Shepp, and closing with a solo set from Sonny Rollins...
There were many other ones- single days at Monterey, LAJI (Count Basie members),and Chicago and Detroit Festivals-but the Berkeley Festival I remember fondly.
Not so much, though, the hard brick stairs of the Greek Theater...