Who are Bobby McFerrin and Ella Fitzgerald?

Bobby McFerrin is an American vocalist and conductor known for his unique vocal techniques and improvisational style, particularly famous for his hit song "Don't Worry, Be Happy." Ella Fitzgerald, often referred to as the "First Lady of Song," was an iconic American jazz singer celebrated for her exceptional vocal range, phrasing, and scat singing. Both artists have made significant contributions to music, influencing generations with their distinctive styles and artistry.