As mentioned, more info can be found here: https://artists.spotify.com/
Hey there @TonyVernon, good you want to add your music on Spotify!
Firstly take a look at the Spotify for Artists to see how you can become an artist on Spotify! | Guide
You can also go in the Green Room here in the Community : )
Post a topic in the Music Chat or promote your playlists in the Playlist Exchange board