Groucho Marx undistinguished vaudeville singing group billed as "The Four Nightingales". The brothers Julius, Milton (Gummo Marx) and Arthur (originally Adolph, but Harpo Mark from 1911) and another boy singer, Lou Levy, traveled the U.S. vaudeville circuits to little fanfare. After exhausting their prospects in the East, the family moved to La Grange, Illinois, to play the Midwest. After a particularly dispiriting performance in Nacogdoches, Texas, Julius, Milton, and Arthur began cracking jokes onstage for their own amusement. Much to their surprise, the audience liked them better as comedians than as singers. They modified the then-popular Gus Edwards comedy skit "School Days"
Groucho Marx would be surrounded by adoring fans. Marx and his brothers respected his opinions and asked him on several occasions to write some material for them. Minnie Marx did not have an entertainment industry career but had intense ambition for her sons to go on the stage like their uncle. While pushing her eldest son Leonard (Chico Marx) in piano lessons, she found that Julius had a pleasant soprano voice and the ability to remain on key. Julius's early career goal was to become a doctor, but the family's need for income forced him out of school at the age of