An American composer and pianist, Billy Hayes was a prolific figure in jazz and popular music from the 1930s through the 1950s. He is best known for co-writing the classic song "Blueberry Hill," which became a major hit for Fats Domino and was also recorded by Louis Armstrong and Glenn Miller. Hayes's compositions often blended elements of swing, blues, and traditional pop, contributing to the era's vibrant musical landscape. His work continues to be recognized for its enduring melodies and significant impact on the American songbook.