diff --git a/machine/centroid/default.nix b/machine/centroid/default.nix
index dba52a2..ab48d15 100644
--- a/machine/centroid/default.nix
+++ b/machine/centroid/default.nix
@@ -33,9 +33,27 @@
   ];
 
   users.users.tvb.extraGroups = [
+    "mopidy"
     "networkmanager"
     "pipewire"
   ];
 
+  users.groups.mopidy = {};  # rw group for media directory
+  users.users.mopidy.extraGroups = [
+    "mopidy"
+    "pipewire"  # necessary to allow the system service to play sound
+  ];
+  services.mopidy = {
+    enable = true;
+    extensionPackages = with pkgs; [
+      mopidy-musicbox-webclient
+    ];
+    configuration = ''
+      [file]
+      media_dirs =
+          /media/music|Music
+    '';
+  };
+
   system.stateVersion = "23.11";
 }