So here's a loose theory about why the sort of megastar that makes the public crack their neck muscles in astonishment towards the radio is becoming such a rare breed.

Spoiler alert: it’s not the most edifying hypothesis for some elements of Music Week’s readership. But it’s important. And you’re hardy types: I reckon you can handle it.

There remains an abiding cult of certain senior executives ungraciously guzzling at the credit pipe in today’s business.

If you’re the guy ...