For musicians who earn money from their music, 40% said that their overall income has increased since 2015, 32% said that it had decreased, and 28% said that it had stayed the same. Note the ‘overall’ word there: one of the report’s other findings is that for many musicians, recorded music is only a ‘small proportion’ of their earnings.
Source: UK research on music creators’ digital earnings is out today – Music Ally