The report, which BBC director of audio and music Tim Davie commissioned from Radio Academy CEO John Myers last year, made a number of recommendations for Radios 1, 1Xtra, 2 and 6 Music, including a "common operating model" that would deliver reduced overheads and a slimmed-down management structure.

Myers concluded that the BBC's four popular music radio networks are producing "high-quality output, with a great team at every level working alongside the best talent in the UK".

However, he said ...