As long as we're talking about 1971, you have to include these three songs:

Ringo Starr's hit showed he was more than just the 4th Beatle.

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While I'm not a necessarily a fan of Chicago, this song was played at every dance I ever went to I think. It was a great song to slow dance to and get much closer to the babes. Sort of became the standard for adolescent bump and grind . . .

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And finally one of the greatest Funk songs of all time. Isaac Hayes, long before he parodied himself as the Chef on South Park.

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