The term 'Domino of Music' refers to the American rhythm and blues singer and pianist Fats Domino. He was one of the most influential figures in the development of rock and roll music, and his hits such as 'Ain't That a Shame' and 'Blueberry Hill' remain popular today. His style of music was characterized by a strong piano-driven beat and a distinctive vocal style. He was inducted into the Rock and Roll Hall of Fame in 1986.