Gotta go with the "Entertainer of the [20th] Century" Elvis Aron Presley. I also think Hank Williams Sr. ranks high on the list.
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"...If YoU fEeL iT yOu BeTtEr BeLiEvE iT, yOu'Re GoNnA sEe It, YoU nEeD tO kNoW/iT iS rIsInG lIkE a FeAtHeR, dIpPiNg & DaNcInG fRoM bElOw/ThErE's A nEw WaVe ThAt Is BrEaKiNg In ThE wAkE oF a PaSsInG sHiP/eVeRy NaTiOn'S gOnNa Be ShAkEn, PuT iT tOgEtHeR, dOn'T lEt It SlIp..."
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