Thank you! 1. The data is from Spotify's API. I use 3 endpoints (artist info, artist top tracks, related artists). Really this is just a shiny interface over t

Thank you! 1. The data is from Spotify's API. I use 3 endpoints (artist info, artist top tracks, related artists). Really this is just a shiny interface over their API. 2. Yeah. The previous artist is meant as a way to go back in time (if you wanted to explore multiple "branches"). But yeah it's very "dumb" in this regard :)