anchor.diff:  
   stdenv.mkDerivation rec {
     pname = "tauon";
  -  version = "7.2.1";
  +  version = "7.3.1";
   
     src = fetchFromGitHub {
       owner = "Taiko2k";
       repo = "TauonMusicBox";
       rev = "v${version}";
  -    sha256 = "sha256-wEGdqMKLhKjnxNTgqNQpUpYkMk/FuRAKsWX+P/9nUG4=";
  +    sha256 = "sha256-g3mRVPOXU3N+MApLaHAAIIsVuVv2GeB1Nj//8tuS0oI=";
     };
   
     postPatch = ''
  
positive.code:     mpg123
      opusfile
      pango
      pulseaudio
      wavpack
    ];
  
  
negative.code: 
    makeWrapperArgs = [
      "--prefix PATH : ${lib.makeBinPath [ffmpeg]}"
      "--prefix LD_LIBRARY_PATH : ${pulseaudio}/lib"
      "--prefix PYTHONPATH : $out/share/tauon"
      "--set GI_TYPELIB_PATH $GI_TYPELIB_PATH"
    ];
  