Oh, well. That does it. It turns out that the founder, president, and sole instructor at the École de Siffler will be none other than Slim Whitman (see below) himself! It looks like half the planet is registering their SHUMS for this school.
So, Zelda, you won't mind a few extra people on your street, will you? You just might learn to enjoy the whistling of all those cute little kiddos. No?