On "The Kelly Clarkson Show," the singer has a regular segment called "Kellyoke," where she performs a cover of a song which is somehow tied to a guest who is scheduled to appear. Tom Hanks, who plays Fred Rogers in "A Beautiful Day in the Neighborhood," was the guest on Tuesday, so Clarkson jazzed up the series theme song for the crowd and sang a beautiful version of the song.The tune is known to generations of children as the song Mister Rogers performed at the beginning of each episode of "Mister Rogers' Neighborhood."You can give Clarkson's version of the song a listen at the link here."A Beautiful Day in the Neighborhood"Read More – Source