Marx Brothers Say She Is". Their third feature-length film, "Monkey Business" (1931), was their first movie not based on a stage production. "Horse Feathers" (1932), in which the brothers satirized the American college system and Prohibition, was their most popular film yet, and won them the cover of "Time" magazine. It included a running gag from their stage work, in which Harpo produces a ludicrous array of props from inside his coat, including a wooden mallet, a fish, a coiled rope, a tie, a poster of a woman in her underwear, a cup of hot coffee, a sword; and, just after Groucho
Which Side Are You On? Which Side Are You On? "Which Side Are You On?" is a song written in 1931 by Florence Reece, the wife of Sam Reece, a union organizer for the United Mine Workers in Harlan County, Kentucky. In 1931, the miners and the mine owners in southeastern Kentucky were locked in a bitter and violent struggle called the Harlan County War. In an attempt to intimidate the family of union leader Sam Reece, Sheriff J. H. Blair and his men, hired by the mining company, illegally entered their home in search of Reece. Reece had been warned in advance and escaped