Which streaming service innovation changed the music industry's revenue model by introducing the concept of 'pro-rata payment' based on total streams?

The music industry has been transformed by subscription streaming services, changing how artists release music and how listeners consume it. This revolution has created new business models and metrics for success. Test your knowledge about how subscription models have reshaped the music landscape and created new opportunities and challenges for artists and labels alike.

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Spotify's Premium subscription model (2008) which paid artists based on their percentage of total streams rather than per download
Apple Music's 'Artist Pages' (2015) which allowed musicians to receive direct payments from fans
SoundCloud's 'Fan-Powered Royalties' (2021) which paid artists based on individual listener habits rather than pooled streams
YouTube Music's 'Premium Content' system (2018) which created tiered payment rates based on video engagement metrics