Oz in Jeopardy!

Here's a short, sweet clue from the April 30, 2015 game, for $600 in the Jeopardy! round category Long-Running Musicals in Short:

Greg, the current champion, got it right by saying, "What is The Wiz?" and became one of the few Jeopardy! ever to actually uphold my theory that if you get the Oz clue right, you go on to win the game.