Can you identify this song?

alex76

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Apr 14, 2005
378
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California
Its at the very beginning of this clip. I am ashamed that I can't name it. I know I have heard it before somewhere, but I just cannot place it. It plays as the opening to this Live clip of Black Sabbath doing Sweet Leaf. God, I know I've heard this somewhere! It starts at :00 and ends at :15. Any help would be much appreciated!

[ame="http://www.youtube.com/watch?v=WvYeoxaIC-E&list=TLVAAHOIbpfpU"]http://www.youtube.com/watch?v=WvYeoxaIC-E&list=TLVAAHOIbpfpU[/ame]
 
Does anyone know of any website or program that might help me identify the song?
 
Have you tried Shazam? I'm not sure if you can use it on the computer, but it's an app that identifies the song. Just turn on the app while the song plays.