anchor.diff:      lash
       dssi
       liblo
  -    pkgconfig
  -    gitAndTools.gitFull
     ];
   
     sourceRoot = "source/muse3";
  
positive.code: 
  stdenv.mkDerivation rec {
    name = "muse-sequencer-${version}";
    version = "3.0.2";
  
    meta = with stdenv.lib; {
      homepage = http://www.muse-sequencer.org;
  
negative.code:     fetchFromGitHub {
        owner = "muse-sequencer";
        repo = "muse";
        rev = "2167ae053c16a633d8377acdb1debaac10932838";
        sha256 = "0rsdx8lvcbz5bapnjvypw8h8bq587s9z8cf2znqrk6ah38s6fsrf";
      };
  
  
    nativeBuildInputs = [
      pkgconfig
      gitAndTools.gitFull
    ];
  
    buildInputs = [
      libjack2
  