The term 'A Moore' can refer to two different people. The first is Dudley Moore, a British actor, comedian, and musician who was best known for his roles in films such as 10, Arthur, and Bedazzled. He was also a successful jazz pianist and composer. The second is Melba Moore, an American singer, actress, and Broadway performer who won a Tony Award for her performance in the musical Purlie. She is also known for her hit singles 'This Is It' and 'Lift Every Voice and Sing'.