In a d*ck move Spotify decided to impose restrcitions in their free version that they have for the rest of the world: 6 skips per hour, no add to queue, only shuffly playback and tons of annoying ads (earlier it was 1 ad per 30 mins). They also made the developer api paid.
So I vibe coded Listune. It runs as a PWA, has a lightweight Go server and I only included things that I needed. I still have tons of Mp3 songs(live on Google Drive), remixes from Mp3 Skull since I was a child and I needed a minimal music player with I have add to queue option, music tagging, search and download songs, all while keep using my existing MP3 library.
ETA ah I see from your post that this is indeed you. You want all music for free yes? And for musicians to be poor?