Margie Rayburn was an American pop singer active in the mid-20th century, best known for her 1957 hit single "I'm Available." Her musical style was characterized by a blend of traditional pop and early rock and roll elements, reflecting the transitional stage of popular music during her career. Rayburn's significance in music history lies in her contribution to the pop genre during this transformative period. However, despite her brief moment of success, she largely faded from the music scene after the late 1950s.