Platforms like Spotify don't pay for individual streams. They are initially aimed at calculating the remuneration depending on the share of the number of listening to music of one author or another in the "common pot" of streams of all content released on the site. With this approach, there is nothing surprising in the fact that performers from the ten most famous performers earn several times more than slightly less popular musicians. Independent and aspiring creators who are not among the leaders are simply swept the crumbs off the table, even if they gain hundreds of thousands of plays.
Other streaming services that use a similar billing model pay even less, by the way - Pandora and YouTube average $ 0.00203 and $ 0.00154 per stream. It turns out that the problem is of a systemic nature, and if the bulk of the venues continue to adhere to the chosen course, ordinary musicians will get less and less. And at some point, they may completely lose interest in working with such services.
Most people ignore that huge corporations dropped the value of music, video and writing work and they make huge - hundreds of billions a year profits on this. As themselves they are doing nothing, except very questionable quality services and aggregation. But in capitalism it is no real solution for all this.
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