pretty simple check this out

  • choco install youtube-dl ffmpeg
  • youtube-dl -f bestaudio https://www.youtube.com/watch?list=PLyIFQr1wryPKU_QHC9NxCf7LuFAQtTLf0&v=FlgZFZRTUTY

if you get webm files, you can easily remux them to ogg vorbis/opus using

Windows
for %%a in ("*.webm") do ffmpeg -i "%%a" -acodec copy "newfiles\%%~na.mka"

FYI put in a convert.bat file, ffmpeg is also needed in folder or use chocolately

Linux
Todo