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There were two versions of this song in the same year, this one is by a group called ultra high frequency, and the other is by a group called South shore commission out of the two, this one is my favorite. But in my opinion, both of the records use the same instrumental track. I first heard these songs on soul train back in the early 70s mixes R&B with Philly soul style disco. Out of the two versions I like this one best it was mixed by Tom Moulton.
 and has his famous signature extended instrumental intro