anchor.diff:          lame
           #libpng
           libvpx_head
  -        #libvpx_next  # AV1/AOMedia
           python3Packages.beets
           python3Packages.pycountry
           cdrtools
  
positive.code:       ];
      };
  
      /*chromium-env = self.buildEnv  {
        name = "chromiumEnv";
        paths = with self; [
  
negative.code:     multimedia-tools-env = self.buildEnv {
        name = "multimediaToolsEnv";
        paths = with self; [
          aomedia
          arkive
          imagemagick
          #gimp
  