Spotify Allowing Users to Add Music Tags Spotify has opened up Line-In, a music metadata editor, to all of its users this month. Listeners describe music in different ways, and understanding that information will help improve, extend, and confirm the information that describes music on Spotify. We hope to better understand how Spotify listeners interpret music, so that we can improve experiences for both listeners and artists. Desktop users of the app can access Line-In by clicking on the three dots next to any song, album, or artist, and select “suggest an edit.” Once there, users will be able to suggest attributes like the language of lyrics, aliases and even links to external websites. “Spotify considers the source, and thoroughly reviews and checks the accuracy of this information, before the suggestions are folded into the data that powers our services, The music streaming service began testing Line-In Spotify with a subset of its audience last fall.