And here's why...
"My choice early in life was either to be a piano player in a whorehouse or a politician. And to tell the truth, there's hardly any difference."
Harry S Truman, thirty-third President of the United States, as quoted in the book Plain Speaking: An Oral Biography of Harry S Truman by Merle Miller.
(BTW- that's Harry in the photo above, playing the piano for an extremely leggy Lauren Bacall.)