Show currently playing song through Spotify API
Some streamers have licenses to use songs from specific labels on Twitch (and other services), enabling broader use cases and greater song selections. But the way Soundtrack displays the current song below the player is a really nice touch while giving the artists proper credit. What if we could combine both?
Spotify's API allows other users to see what song a given person is currently listening to (see integration with Discord e.g.). With that, one can display and link the songs and the respective artists to the viewers while being able to use already curated playlists on Spotify.
One could also consider setting up Soundtrack such that it will load Spotify's catalog and play songs through there, making it easier to remove the music from VODs and avoiding copyright strikes.