I went to Spotify's search and typed "i dont like' and hit enter, figuring what I was looking for would probably be near the top of the results. It was indeed the first result.
But man...the rest of the results were something else [1]. I've never done anything on Spotify that would suggest I might like most of those songs, or in many cases that I would even be interested in their genre.
Eventually curiosity got the better of me and I did listen to some of those to see if they were as bad as their titles suggested. They were.
But now I think Spotify has decided I like that kind of music.
If I do the same search now it has many of those still but now adds songs called "Sex Offender Shuffle", "Niggas in My Butthole", "3 BIG BALLS", "Alabama Nigga - Original Version", and "I Don't Like Beaners" to the top 15 or so.
There are plenty of songs with "I Don't Like" in the title or something close to which are about things like relationship problems or self esteem that are in the search results, so it is not like they only had songs about disliking certain races or songs about people's genitals to choose from.
Music discovery is the best feature for me in spotify. Especially if you listen to more unpopular genres like french/german techno, old school hard trance. I found plenty of great artists there which have <5k monthly plays.
I think song/album radio is not exactly based on your taste, but on what spotify considers similar.
Try making a playlist with your favorite songs and press "enhance" or "playlist radio" to see recommendations based on that context.
On a sidenote: Looks like techno had massive growth in the last 1-2 years. I discovered most of these artists when they were much smaller. Now most of them have 3x to 10x more monthly listeners. Seems like Spotify is indeed a great platform for discoverability. For monetizing probably not though.
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French:
KASST - Hell on Earth (the most popular on this list. 430k monthly listeners): https://www.youtube.com/watch?v=Fwi1qgSaxZY
Trudge - страсть (this dude has many decent tracks, check out "Sway over the Void" and "Self Love Club" out): https://www.youtube.com/watch?v=dx-zzugl-P0
BXTR - Reboot my soul (40k monthly listeners): https://www.youtube.com/watch?v=ruxTTzO3yTI
RAUMM - Perdue Dans Le Noir - BXTR remix (Has French lyrics. 38k monthly listeners): https://www.youtube.com/watch?v=m-xkLnJUvDQ
Automates - Meta (French lyrics too, 29k monthly listeners. One of my overall favorites): https://www.youtube.com/watch?v=Il0_Pcj4nho
Any another production one from RAUMM, which is more like a 16-minute experience with beautiful lyrics with a lot of trance influence. I'm uncertain if this still counts as techno; I don't think so. But I really love sitting down on the couch and putting this on a loud volume and just relaxing: https://www.youtube.com/watch?v=1b-KUdT5bU8
I Hate Models - Daydream (pretty famous; 500k monthly listeners): https://www.youtube.com/watch?v=xjCb4CB-hdw
Anetha ft Sugar - Candy from Strangers: https://www.youtube.com/watch?v=ofOPhZvnVF4
Trym - Millenium Pain (ナルト Mix): https://www.youtube.com/watch?v=INwOGDbQFmQ
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German:
In Verruf - Let Out (80k monthly listeners): https://youtu.be/pc_Pp0kObxQ?t=1
Parallx - Red Clouds (30k monthly listeners): https://www.youtube.com/watch?v=FEX5xJOuxAM
Inhalt der Nacht - Die Liebe (25k monthly listeners): https://www.youtube.com/watch?v=fVu6UBYuq80
Klangkünstler - Ihr Werdet Weinen (Pretty famous; 500k monthly listeners): https://www.youtube.com/watch?v=vFIiveXMxyI
Introversion - Dystopa (50k monthly listeners): https://youtu.be/KRXuatwFhIE?t=2
B2 - Destiny (64k monthly listeners): https://www.youtube.com/watch?v=zXaqpT323DQ
Kobosil - Rigid (Kobosil 44 Rush Mix)(Fastest growing Technio Producer in Germany, 500k monthyl listeners): https://www.youtube.com/watch?v=Uf1MLglK3fc
AKKI - The Ocean: https://www.youtube.com/watch?v=bD5GrfTy9Ac // Into Your Mind: https://www.youtube.com/watch?v=jWWAGoZmx9A
rezystor - alice (this isn't on spotify unfortunately; rezystor has <10k monthly listeners): https://www.youtube.com/watch?v=fcGa15wEalE
David Strasser - Trust the Process (17k monthly listeners): https://www.youtube.com/watch?v=yY9T6mdg2wo
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I had to snuck a track from two Italians in here because they only have like 1k monthly listeners on Spotify and make good music:
Anticyclone - Ruins Of Las Vegas: https://www.youtube.com/watch?v=vFquUsnXKuw
I have some cron jobs running that generate new playlists every day with very specific targets (e.g. "min_instrumentalness" on a track) while still being random enough to have variety.
If Spotify ever shuts down their API like how Twitter has done, then I'll move to something else.