Listening to the "world's most relaxing song" before an operation could be just as good at calming patients' nerves ... have preferred to choose their own music. And noise-cancelling headphones ...

Take time out and escape to an oasis of calm, with the world’s most beautiful music. Listen live to Calm Classics on FM, DAB+, on your TV, online at classicfm.com, on Global Player, or by asking your ...