I saw the Rolling Stones twice, in 1966 and 1967 (i think!) at the Romford Odeon -- they were on one of those large rock n roll tours with loads of artists, supported by the Hollies, Ike and Tina Turner and Dave Berry amongst others whose names, er, escape me.
You could hardly hear them at all because of all the screaming. But I still clearly remember Mick Jagger dancing on the stage and in fact I wrote an essay on the event for my A level English exams. got an A* equivalent. Not so stealth boast
In my first year at university I saw Pink Floyd at one of the Balls and have no recollection of it whatsoever. Well, you know what they say about the 60s....