A fisherman in Cornwall says his boat was rammed by a whitetip shark during a routine mackerel trawl and it got us thinking; if only he'd had a copy of AC/DC's Back in Black and some underwater speakers to hand. Two weeks ago, researchers discovered that a quick blast of AC/DC made sharks "a lot less aggressive". So, what music helps placate your pets?

Tell us at bit.ly/lOL9Gk