If you want to add another artist to your Spotify for Artists account, just follow these steps:
- Log in to Spotify for Artists using a web browser.
- Click on your profile icon (a circle with your initial) in the upper right.
- Choose "Teams" from the dropdown menu.
- On the "Your Teams" page, click “Add Team” at the top right.
- Choose “Artist Team” as the type of team you want to join.
- When prompted, enter the artist’s Spotify URI.