diff --git a/pkgs/development/libraries/haskell/haskore/default.nix b/pkgs/development/libraries/haskell/haskore/default.nix
new file mode 100644
index 00000000000..7e3ebb6476b
--- /dev/null
+++ b/pkgs/development/libraries/haskell/haskore/default.nix
@@ -0,0 +1,21 @@
+{ cabal, dataAccessor, eventList, haskellSrc, markovChain, midi
+, nonNegative, parsec, random, transformers, utilityHt
+}:
+
+cabal.mkDerivation (self: {
+  pname = "haskore";
+  version = "0.2.0.3";
+  sha256 = "0vg4m2cmy1fabfnck9v22jicflb0if64h0wjvyrgpn2ykb9wwbpa";
+  isLibrary = true;
+  isExecutable = true;
+  buildDepends = [
+    dataAccessor eventList haskellSrc markovChain midi nonNegative
+    parsec random transformers utilityHt
+  ];
+  meta = {
+    homepage = "http://www.haskell.org/haskellwiki/Haskore";
+    description = "The Haskore Computer Music System";
+    license = "GPL";
+    platforms = self.ghc.meta.platforms;
+  };
+})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index cf73f683313..f8411263135 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1207,6 +1207,8 @@ let result = let callPackage = x : y : modifyPrio (newScope result.finalReturn x
 
   haskellSrcMeta = callPackage ../development/libraries/haskell/haskell-src-meta {};
 
+  haskore = callPackage ../development/libraries/haskell/haskore {};
+
   hastache = callPackage ../development/libraries/haskell/hastache {};
 
   hexpat = callPackage ../development/libraries/haskell/hexpat {};