According to the Recording Industry Association of America, 75 per cent of music industry revenues now come from streaming. Researchers and people in the music industry say that the importance of having a song do well on Spotify or Apple Music is changing the way songs are written. Dan Kopf, who writes on economics and statistics for online news publication Quartz, reached similar conclusions last month, when he looked at chart-topping songs released between 2015 and 2018. He found that on average songs are getting progressively shorter, even songs by the same artists released on older and more recent albums. While Léveillé Gauvin's research has shown that the chorus in streaming hits appears much sooner than in the pop songs of yesteryear, the streaming era has also been kind to songs that actually have no chorus, at least not in its traditional sense.

Source: CBC News February 09, 2019 09:00 UTC