Ed Sullivan, host of the CBS TV show “Toast of the Town”, broadcasts a dress rehearsal of a portion of Steinway’s centennial concert, featuring Chopin’s Polonaise in A major, performed by ten pianists: Ethel Bartlett, Alexander Brailowsky, Sidney Foster, Gaby Casadesus, Moura Lympany, Rudolph Ganz, Eugene List, Rae Robertson, Beveridge Webster, and Guiomar Novaes.