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 / Updated  / Source: TODAY
By Chris Serico

It was a moment that left a Senate Finance Committee, well, "Frozen."

Sen. Pat Roberts (R-Kan.) was listening to Agriculture Secretary Tom Vilsack's testimony about American tariff policy during Thursday's session, when the chorus of the Academy Award-winning song "Let It Go" started emanating from Roberts' pocket.

"Aw, come on," said Roberts, the committee chairman as he reached for his phone and tried to make light of the awkward moment while others laughed in the background. "Just 'Let it Go,' Mr. [Vilsack]. Sorry about that.'"

Sarah Little, a spokeswoman for Roberts, told TODAY.com that the Disney ringtone is for his grandkids.

"He balances it with Johnny Cash's 'Walk the Line,'" she added. "Those are his two ringtones."

Roberts' Twitter account also addressed the incident Thursday afternoon, taking a swipe at President Barack Obama in the process.

Follow TODAY.com writer Chris Serico on Twitter.