Re:Ask HN: Is there something like OPML(podcasts) for music ...
by zimpenfish on Sunday February 23, 2020 @04:06AM
(#22395878)
When I wrote my Spotify playlist exporter (back in the dark ages of 2013), I added an option for outputting them as XSPF[1] because that's what my music chums told me was useful to them.
[1] https://en.wikipedia.org/wiki/XML_Shareable_Playlist_Format