VIDEO: Toby Keith Performed 'That's Country Bro' on THE LATE SHOW WITH STEPHEN COLBERT

Country superstar, and friend of the show, Toby Keith pays homage to the format's greatest singers on this single from his new album "Greatest Hits: The Showdog Years."

Watch the clip from "The Late Show With Stephen Colbert" below!

The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via CBS All Access, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.