Nearly a third of all streams in the US last year were of hip-hop and R&B artists 

In the case of on-demand video streams, the ‘R&B/hip-hop’ category actually claimed over a third of all plays, at 33.9%. In terms of audio streams, ‘R&B/hip-hop’ claimed 30.7% of all on-demand plays. And across audio and video streams combined, ‘R&B/hip-hop’ claimed 31.1%.

Source: Nearly a third of all streams in the US last year were of hip-hop and R&B artists (as rock beat pop to second most popular streaming genre)