How to contribute:
- Create spotify account
- Optional: download desktop version
- Follow Astronomy playlist
- Find your astronomy-themed song
- Right click on song, select "Add to..." --> Astronomy playlist
- Repeat steps 4 & 5!
It looks like Spotify will allow you to add duplicate songs to the playlist without warning, so please look at the playlist to make sure yoru song isn't already on there before adding it.
Links to lists