Everyone knows dogs don't like high-pitched sounds. It turns out they also have a weird relationship with the theme tune for Law & Order.
TV Tonight has a compilation of YouTube clips which show dogs howling along to the theme tune to the long-running crime series. I can't say it's a foolproof tactic -- the two dogs I tried playing the music to were entirely indifferent -- but it's got to be tempting to test against your own hound.
Why do dogs hate Law & Order so much? [TV Tonight]