"An early sound recording of a vaudeville act: A man who sings while being accompanied by his duck. With many references made to a 1920s economy, here's some 1920s entertainment: Gus Visser and His Singing Duck. Though I'm still wondering where exactly Gus' right hand is located. Enjoy!"

From http://digg.com/odd_stuff/Gus_Visser_and_His_Singing_Duck ...