- 3:04 mark of "Gimme Shelter", when Merry Clayton's voice cracks on the high note of "Murder" (and Jagger's "whoo!" that follows in the background).

- "Hello, I'm Johnny Cash." -- Johnny Cash at Folsom Prison, 1968.

- "Judas!" -- Bob Dylan concert, Manchester, May 17, 1966


Any others?

Liam... you and I agree on the #1 moment of all time -- Merry Clayton's voice crack.

There was a short thread on this topic called "orgasm moments" some months back:

http://pub37.bravenet.com/forum/3172289350/show/823364

(Sorry. I still haven't figure out how to do hyperlinks.)