Artist income from the likes of Spotify is a hot topic, with some labels reportedly passing just 10-15% of revenue generated from streaming sites to artists and managers as a royalty.

Mercury-nominated artist Jon Hopkins said last year that he received just £8 for 9,000 plays on Spotify, whilst other acts including the Black Keys have questioned the "feasibility" of the streaming model for performers and writers.

Speaking in a special report in today's Music Week magazine, Beggars Group director ...