William Wendell "Billy" Gilman III (born May 24, 1988) is an American country music artist. In 2000, at the age of 11, he debuted with the single "One Voice," a Top 20 hit on the Billboard country music charts and became the youngest singer to a Top 40 hit on the country music charts. An album of the same name was released later that year on Epic Records, and was certified Double Platinum in the United States.