Rascal Flatts star sings with his son on Hilton Head Island. And it's adorable.

Rascal Flatts bassist and harmony vocalist Jay DeMarcus stunned the crowd at Harbour Town this Independence Day with a surprise guest performance.
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Rascal Flatts bassist and harmony vocalist Jay DeMarcus stunned the crowd at Harbour Town this Independence Day with a surprise guest performance.

Spotted: Country superstar shocks Hilton Head crowds

July 06, 2016 11:13 AM