diff --git a/flake.lock b/flake.lock
index 94368e0..a386be3 100644
--- a/flake.lock
+++ b/flake.lock
@@ -306,6 +306,24 @@
         "type": "github"
       }
     },
+    "musnix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1702456985,
+        "narHash": "sha256-mnjCk8mINY4t5uIwP2eR19FOQXHTCO68+KsgKFTv1NI=",
+        "owner": "musnix",
+        "repo": "musnix",
+        "rev": "cf93a72da8ad677864045e9a5dd32170378d9a62",
+        "type": "github"
+      },
+      "original": {
+        "owner": "musnix",
+        "repo": "musnix",
+        "type": "github"
+      }
+    },
     "nix-darwin": {
       "inputs": {
         "nixpkgs": [
@@ -394,6 +412,22 @@
       }
     },
     "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1690272529,
+        "narHash": "sha256-MakzcKXEdv/I4qJUtq/k/eG+rVmyOZLnYNC2w1mB59Y=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "ef99fa5c5ed624460217c31ac4271cfb5cb2502c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
       "locked": {
         "lastModified": 1706550542,
         "narHash": "sha256-UcsnCG6wx++23yeER4Hg18CXWbgNpqNXcHIo5/1Y+hc=",
@@ -483,7 +517,8 @@
         "home-manager": "home-manager_2",
         "hyprland": "hyprland",
         "hyprland-hyprfocus": "hyprland-hyprfocus",
-        "nixpkgs": "nixpkgs_3"
+        "musnix": "musnix",
+        "nixpkgs": "nixpkgs_4"
       }
     },
     "rustaceanvim": {
diff --git a/flake.nix b/flake.nix
index b0a06c7..ab028a9 100644
--- a/flake.nix
+++ b/flake.nix
@@ -21,6 +21,9 @@
 
     # My neovim configuration using nixvim.
     custom-neovim.url = "github:wizardlink/neovim";
+
+    # Real time scheduling for audio work.
+    musnix.url = "github:musnix/musnix";
   };
 
   outputs =
@@ -28,6 +31,7 @@
     , home-manager
     , hyprland
     , nixpkgs
+    , musnix
     , ...
     }@inputs: {
       nixosConfigurations.nixos =
@@ -36,6 +40,8 @@
           modules = [
             ./nixos.nix
 
+            musnix.nixosModules.musnix
+
             hyprland.nixosModules.default
             {
               programs.hyprland.enable = true;
diff --git a/nixos.nix b/nixos.nix
index d9913a7..a7801d9 100644
--- a/nixos.nix
+++ b/nixos.nix
@@ -44,7 +44,14 @@
   ##
 
   # Kernel
-  boot.kernelPackages = pkgs.linuxPackages_xanmod_stable;
+  musnix = {
+    enable = true;
+
+    kernel = {
+      realtime = true;
+      packages = pkgs.linuxPackages_latest_rt;
+    };
+  };
 
   # Add AMD drivers.
   boot.initrd.kernelModules = [ "amdgpu" ];
@@ -109,6 +116,7 @@
     description = "Alexandre Cavalheiro";
     extraGroups = [ "networkmanager" "wheel" "postgresql" "docker" ];
 
+    initialPassword = "wizardlink";
     isNormalUser = true;
 
     openssh.authorizedKeys.keys = [
@@ -269,7 +277,10 @@
     ## Tools
     # Utilities
     bat
-    btop
+    (btop.overrideAttrs {
+      # Support for AMD GPU monitoring.
+      nativeBuildInputs = [ rocmPackages.rocm-smi ];
+    })
     docker-compose
     duf
     fzf