The single snare drum shot that opens Bob Dylan's "Like A Rolling Stone". It's not the same song without it.
We can't really ignore Nicko's drum roll on Where Eagles Dare.
What a way to start your time with a band!
Oooohh, good call!
It also has a fantastic interactive video, you've seen that one @SinisterMinisterX ?
Ah, no. Interactive?
Here's a guy doing a medley of 50 different drum intros, including several mentioned in this thread. He missed Where Eagles Dare, though ...
Off topic but here, have a look:
http://digg.com/video/this-interactive-video-of-dylans-like-a-rolling-stone-is-insanely-cool
This is just crazy good.
That is genius.
and official too. Bob Dylan and management first to take music videos to the next level on the web 
The single snare drum shot that opens Bob Dylan's "Like A Rolling Stone". It's not the same song without it.
Man that guitar riff rules. Reminds me of Dio's Rock and Roll Children (chorus).