anchor.diff:    lv2Plugins = [
       calf # limiter, compressor exciter, bass enhancer and others
       mda_lv2 # loudness
  +    lsp-plugins # delay
     ];
     ladspaPlugins = [
       rubberband # pitch shifting
  
positive.code: , zam-plugins
  , rubberband
  , mda_lv2
  , hicolor-icon-theme
  }:
  
  
negative.code:   ];
  in stdenv.mkDerivation rec {
    pname = "pulseeffects";
    version = "4.4.7";
  
    src = fetchFromGitHub {
      owner = "wwmm";
      repo = "pulseeffects";
      rev = "v${version}";
      sha256 = "14sxwy3mayzn9k5hy58mjzhxaj4wqxvs257xaj03mwvm48k7c7ia";
    };
  
    nativeBuildInputs = [
  