It's a day to crank out the vinyl records and CDs, and think back to the "good ol' days" before smartphones and the internet.
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If you really want to get into the spirit of things, bring out the 8-inch bell bottoms, mile-high hair, and be on the lookout for some classic cars on Sunday.
And did John Gregory really own bell bottoms? Tap play on the featured video to find out.
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