In a clip from the new episode, Stapleton, in his signature hat and with his well-worn guitar, gets a warm introduction to ...

Your eyes aren't deceiving you — that's Grammy-winning country superstar Chris Stapleton singing with Cookie Monster, Elmo, more on Sesame Street.

Fifty years ago, a generation of children learned how to get to "Sesame Street "when the classic TV series premiered on PBS on November 10, 1969. Five decades later, that street is still a beloved ...