Carrie Underwood is one of the biggest stars in country music, but her duet with one of her own childhood heroes was a special moment even for her. The superstar returned to American Idol in 2009 to perform "I Told You So" as a duet with Randy Travis.
Country music fans and stars alike know that Randy Travis has been a country music pioneer since his debut in the '80s, continuing to have hit after hit for decades to come. But it took a massive tribute concert to bring that fact home to the humble star.