1970's TV star Barry Williams to perform national anthem at Darlington Raceway

Darlington Raceway is throwing it back every way possible for the Bojangles' Southern 500.

Barry Williams, 1970's television star most famously known for playing Greg Brady in the hit sitcom series The Brady Bunch will sing the national anthem before the Sept. 4 race.

"As a fan of NASCAR, I am honored to participate in the Bojangles' Southern 500 throwback race at Darlington Raceway as the National Anthem performer," Williams said in a track press release. "I've done many performances in my career and I can't think of a more patriotic way to celebrate an era that is so special."

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Williams will join legendary rock band KANSAS for pre-race ceremonies, who will be performing a pre-race concert before Darlington's Labor Day classic.