Many, perhaps most, music services have towards the bottom of an artist page a list of similar artists that you can explore. Also, if you see what compilations a song, or an artist, is on you can see what else is on that collection.

Also, music services have collections for different styles of music. As you listen to those, if you like a song you can try to see if you like other songs from the same group / artist.

+1 on Restic

I think in general we just need more people… There are communities that exist in Lemmy which are basically empty / inactive that used to be active in Reddit (i.e. Datatabases, Postgresql, FreeBSD subreddits). Perhaps as more people discover Lemmy those smaller / niche communities will see more traffic.

No. Have not logged for weeks and can’t think of any good reason to go back.