Depending on your viewpoint, Frank Sidebottom is one of light entertainment’s so-bad-its-good merchants, a half-decent gag stretched out into a career or complete and utter nonsense.

But there was an enchanting and obsessive creativity behind the madness of his creator, Chris Sievey, and if he had been around today maybe he would have made it pay.

The followers of ‘Wittertainment’ are so devout they speak of it as a church not just a radio show.

Every Friday afternoon for almost two decades, Simon Mayo and Mark Kermode have spent an hour or two reviewing the latest film releases; pouring praise on the Oscar-worthy, frying the turkeys and interviewing those who create magic on the silver screen.

As the “BBC’s flagship film show”, it has won a host of major awards and was the corporation’s fourth most downloaded podcast for most of the noughties.

But what are the lessons for content creators?