diff --git a/flake.lock b/flake.lock
index b6be346..7d65f42 100644
--- a/flake.lock
+++ b/flake.lock
@@ -34,10 +34,28 @@
         "type": "github"
       }
     },
+    "nixpkgs-bitwig": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1590662809,
+        "narHash": "sha256-ndfEQE1FpjlAGbFDBzena4Gri/KKYaZxrO+Cq14uvHI=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e0c0c1f08328a932fcc69bdf14c509646fd912c4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e0c0c1f08328a932fcc69bdf14c509646fd912c4",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-bitwig": "nixpkgs-bitwig"
       }
     },
     "systems": {
diff --git a/flake.nix b/flake.nix
index 319f47b..0789ff9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -2,9 +2,13 @@
   description = "dotfiles";
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  inputs.nixpkgs-bitwig = {
+    url = "github:NixOS/nixpkgs/e0c0c1f08328a932fcc69bdf14c509646fd912c4";
+    flake = false;
+  };
   inputs.flake-utils.url = "github:numtide/flake-utils";
 
-  outputs = { self, nixpkgs, flake-utils }:
+  outputs = { self, nixpkgs, nixpkgs-bitwig, flake-utils }:
     flake-utils.lib.eachDefaultSystem
       (system:
         let
@@ -15,6 +19,13 @@
                 allowUnfree = true;
               };
             };
+          pkgs-bitwig = import nixpkgs-bitwig
+            {
+              system = system;
+              config = {
+                allowUnfree = true;
+              };
+            };
         in
         {
           packages.mopidyWithExtensions = pkgs.buildEnv {
@@ -36,6 +47,13 @@
             extraPkgs = with pkgs; [ glib which ];
           };
 
+          packages.bitwig-studio3 = pkgs-bitwig.callPackage ./nix/bitwig-studio3.nix {
+            bitwig-studio1 = pkgs-bitwig.callPackage ./nix/bitwig-studio1.nix {
+              zenity = pkgs-bitwig.gnome3.zenity;
+              libxkbcommon = pkgs-bitwig.libxkbcommon_7;
+            };
+          };
+
           devShells = {
             empty = import ./dev-shells/empty.nix { pkgs = pkgs; };
             empty-multi = import ./dev-shells/empty-multi.nix { pkgs = pkgs; };
diff --git a/nix/bitwig-studio1.nix b/nix/bitwig-studio1.nix
new file mode 100644
index 0000000..7657a34
--- /dev/null
+++ b/nix/bitwig-studio1.nix
@@ -0,0 +1,98 @@
+{ stdenv, fetchurl, alsaLib, bzip2, cairo, dpkg, freetype, gdk-pixbuf
+, wrapGAppsHook, gtk2, gtk3, harfbuzz, jdk, lib, xorg
+, libbsd, libjack2, libpng, ffmpeg
+, libxkbcommon
+, makeWrapper, pixman, autoPatchelfHook
+, xdg_utils, zenity, zlib }:
+
+stdenv.mkDerivation rec {
+  pname = "bitwig-studio";
+  version = "1.3.16";
+
+  src = fetchurl {
+    url    = "https://downloads.bitwig.com/stable/${version}/bitwig-studio-${version}.deb";
+    sha256 = "0n0fxh9gnmilwskjcayvjsjfcs3fz9hn00wh7b3gg0cv3qqhich8";
+  };
+
+  nativeBuildInputs = [ dpkg makeWrapper autoPatchelfHook wrapGAppsHook ];
+
+  unpackCmd = "mkdir root ; dpkg-deb -x $curSrc root";
+
+  dontBuild    = true;
+  dontWrapGApps = true; # we only want $gappsWrapperArgs here
+
+  buildInputs = with xorg; [
+    alsaLib bzip2.out cairo freetype gdk-pixbuf gtk2 gtk3 harfbuzz libX11 libXau
+    libXcursor libXdmcp libXext libXfixes libXrender libbsd libjack2 libpng libxcb
+    libxkbfile pixman xcbutil xcbutilwm zlib
+  ];
+
+  binPath = lib.makeBinPath [
+    xdg_utils zenity ffmpeg
+  ];
+
+  installPhase = ''
+    mkdir -p $out
+    cp -r opt/bitwig-studio $out/libexec
+
+    # Use NixOS versions of these libs instead of the bundled ones.
+    (
+      cd $out/libexec/lib/bitwig-studio
+      rm libbz2.so* libxkbfile.so* libXcursor.so* libXau.so* \
+         libXdmcp.so* libpng16.so* libxcb*.so* libharfbuzz.so* \
+         libcairo.so* libfreetype.so*
+      ln -s ${bzip2.out}/lib/libbz2.so.1.0.6 libbz2.so.1.0
+    )
+
+    # Use our OpenJDK instead of Bitwig’s bundled—and commercial!—one.
+    rm -rf $out/libexec/lib/jre
+    ln -s ${jdk.home}/jre $out/libexec/lib/jre
+
+    mkdir -p $out/bin
+    ln -s $out/libexec/bitwig-studio $out/bin/bitwig-studio
+
+    cp -r usr/share $out/share
+    substitute usr/share/applications/bitwig-studio.desktop \
+      $out/share/applications/bitwig-studio.desktop \
+      --replace /usr/bin/bitwig-studio $out/bin/bitwig-studio
+  '';
+
+  postFixup = ''
+    # Bitwig’s `libx11-windowing-system.so` has several problems:
+    #
+    #   • has some old version of libxkbcommon linked statically (ಠ_ಠ),
+    #
+    #   • hardcodes path to `/usr/share/X11/xkb`,
+    #
+    #   • even if we redirected it with libredirect (after adding
+    #     `eaccess()` to libredirect!), their version of libxkbcommon
+    #     is unable to parse our xkeyboardconfig. Been there, done that.
+    #
+    # However, it suffices to override theirs with our libxkbcommon
+    # in LD_PRELOAD. :-)
+
+    find $out -type f -executable \
+      -not -name '*.so.*' \
+      -not -name '*.so' \
+      -not -path '*/resources/*' | \
+    while IFS= read -r f ; do
+      wrapProgram $f \
+        --prefix PATH : "${binPath}" \
+        "''${gappsWrapperArgs[@]}" \
+        --set LD_PRELOAD "${libxkbcommon.out}/lib/libxkbcommon.so" || true
+    done
+  '';
+
+  meta = with lib; {
+    description = "A digital audio workstation";
+    longDescription = ''
+      Bitwig Studio is a multi-platform music-creation system for
+      production, performance and DJing, with a focus on flexible
+      editing tools and a super-fast workflow.
+    '';
+    homepage = "https://www.bitwig.com/";
+    license = licenses.unfree;
+    platforms = [ "x86_64-linux" ];
+    maintainers = with maintainers; [ michalrus mrVanDalo ];
+  };
+}
diff --git a/nix/bitwig-studio3.nix b/nix/bitwig-studio3.nix
new file mode 100644
index 0000000..5913659
--- /dev/null
+++ b/nix/bitwig-studio3.nix
@@ -0,0 +1,23 @@
+{ fetchurl, bitwig-studio1, pulseaudio, xorg }:
+
+bitwig-studio1.overrideAttrs (oldAttrs: rec {
+  name = "bitwig-studio-${version}";
+  version = "3.1.3";
+
+  src = fetchurl {
+    url = "https://downloads.bitwig.com/stable/${version}/bitwig-studio-${version}.deb";
+    sha256 = "11z5flmp55ywgxyccj3pzhijhaggi42i2pvacg88kcpj0cin57vl";
+  };
+
+  buildInputs = oldAttrs.buildInputs ++ [ xorg.libXtst ];
+
+  runtimeDependencies = [ pulseaudio ];
+
+  installPhase = ''
+    ${oldAttrs.installPhase}
+
+    # recover commercial jre
+    rm -f $out/libexec/lib/jre
+    cp -r opt/bitwig-studio/lib/jre $out/libexec/lib
+  '';
+})