Step one to moving to Linux should be switching to open source alternatives to the proprietary software you use while you are still on windows. If all the programs you use are already open source, then switching to Linux is so much easier.
Just pirate your music. It's more ethical than giving money to Google or Spotify. If you want to support some musicians, buying a single piece of merch probably makes them more money than a lifetime of listening to them on a streaming service.
Bin großer Fan von OG Doom. Mit den neuen kann ich aber leider nichts anfangen.