Donald Mills is an American singer and a member of the famous vocal group known as the Mills Brothers. Born on April 29, 1915, he contributed to the group's unique sound, which blended jazz, pop, and traditional American music. The Mills Brothers gained popularity in the 1930s and 1940s, known for their smooth harmonies and innovative vocal techniques. The Mills Brothers originally formed in 1928 and included Donald's brothers, Harry, John, and Phil. They became one of the first African American groups to achieve widespread success in the music industry, paving the way for future artists. Their timeless hits include songs like "Paper Doll" and "You Always Hurt the One You Love."