diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 9ee2bf80edf..f363cbdb758 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -5426,6 +5426,53 @@ let
   };
 
 
+
+  librosa = buildPythonPackage rec {
+    name = "librosa-${version}";
+    version = "0.4.0";
+    src = pkgs.fetchurl {
+      url = "https://pypi.python.org/packages/source/l/librosa/librosa-0.4.0.tar.gz";
+      md5 = "8149a70a5a5783c3cceeb69de3e07458";
+    };
+
+    propagatedBuildInputs = with self;
+      [ joblib matplotlib six scikitlearn decorator audioread samplerate ];
+  };
+
+  joblib = buildPythonPackage rec {
+    name = "joblib-${version}";
+    version = "0.9.0b4";
+    src = pkgs.fetchurl {
+      url = https://pypi.python.org/packages/source/j/joblib/joblib-0.9.0b4.tar.gz;
+      md5 = "e0d79a085d4773c7a61cd38b4fb6dad5";
+    };
+  };
+
+  samplerate = buildPythonPackage rec {
+    name = "scikits.samplerate-${version}";
+    version = "0.3.3";
+    src = pkgs.fetchgit {
+      url = https://github.com/ThomasLecocq/samplerate;
+      rev = "7edb22b23f5aa8e7342aea0b538bdd0434988510";
+      sha256 = "ec2a09819c38028283505090ee9839963d3557e73f6e8eb3348ff8884d0d67ed";
+      };
+    buildInputs = with self;  [ pkgs.libsamplerate ];
+
+    propagatedBuildInputs = with self; [ numpy ];
+
+
+    preConfigure = ''
+       cat > site.cfg << END
+       [samplerate]
+       library_dirs=${pkgs.libsamplerate}/lib
+       include_dirs=${pkgs.libsamplerate}/include
+       END
+    '';
+
+    doCheck = false;
+  };
+
+
   hypatia = buildPythonPackage rec {
     name = "hypatia-0.3";