A Sony executive's latest blog post has revealed that 6 different major content-streaming platforms will be compatible with the PlayStation 5 from day 1. They include Spotify, YouTube, Disney Plus and Netflix, which will get their own dedicated buttons on the console's also newly-announced Media Remote. Other apps may become available thereafter.
https://www.notebookcheck.net/These-are-the-entertainment-apps-to-be-available-on-the-PlayStation-5-from-launch.499169.0.html