D23 Expo 2013: Mickey Mouse Short “Get A Horse” Much More Than A Long Lost Piece Of Disney History Michael Lee, August 9, 2013August 9, 2013 Not much was known about the long lost Mickey Mouse short Get A Horse. From what we’ve learned, it was an animated piece drawn up and voiced by Walt Disney himself. BUt it was a feature that was never revealed to the public, until now. John Lasseter showed the animated…