I ended up doing an brain.fm subscription, that I highly recommend!
But before I made this playlist with 8+hs of instrumental (mostly rock) music: https://open.spotify.com/playlist/7cKt2D5jIScGyvMcNEfOHy?si=...
I also listened some Russian Rock/Synth: https://open.spotify.com/playlist/6PjFMMUrGU2bJz8ybc5dVm?si=...