Lena Horne and Robert Olin were an American singing and dancing duo who performed together in the 1940s. They were best known for their performances of jazz, blues, and popular music. They toured extensively throughout the United States and Europe, and their recordings were popular with audiences. Lena Horne was a pioneering African-American singer and actress, while Robert Olin was a talented dancer and choreographer. Together, they created a unique and memorable act that delighted audiences everywhere.