Joe Cocker - Woman to Woman (1972)
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Ronnie Hudson and The Street People - West Coast Poplock (1982)
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Zapp & Roger - Dance Floor (1982)
(fast forward to like 3:17 and you'll hear it)
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Sampled by 2Pac in "California Love"
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Even the video "samples"
at the beginning when George Clinton yells CAN YOU DIG ITTTT!???. That is taken from the movie The Warriors lol