It called for more research into the way musicians were paid and royalties shared, saying it would "assess different models" to see how they would affect the industry, including "equitable remuneration" - where labels and artists receive an equal share of streaming...

"Clearly recruitment is a challenge at the moment, and we're putting everything behind ensuring that we are an employer of choice; that we pay well, that we've got the right benefits, and then we've got the right bonus available to attract new staff," Mr Christou said.

"Even on London Transport, where it is supposed to be a condition of carriage, just like paying a fare, the policy is coming apart at the seams and as more people see others failing to comply, the situation will escalate quickly over the autumn," he said.