If you're a MT reader who has watched UK television in the last week, you've probably already been traumatised by a certain disinfectant advertisement: "The advertisement depicted two children seated at a piano. When one of them sneezed, a concerned mother reached for her can of Dettol and sprayed the keys."
The Music Industry Association (the trade body for music gear manufacturers) called in the Advertising Standards Authority: "The company explained that the idea its product might do harm simply hadn’t occurred to it and agreed not to screen the offending commercial again, pending tests to find out whether, in fact, Dettol did actually represent a hazard to piano owners."

Phew.