Oscar Levant (December 27, 1906 – August 14, 1972) was an American concert pianist, composer, conductor, author, radio game show panelist, television talk show host, comedian, and actor.  Oscar Levant regularly appeared on NBC radio's Kraft Music Hall, starring singer Al Jolson. He not only accompanied Jolson on the piano with classical and popular songs, but often joked and ad-libbed with Jolson and his guests. This included comedy sketches.