Not working

lib/music_library_web/live/artist_live/show.ex

@@ -0,0 +1,32 @@
+defmodule MusicLibraryWeb.ArtistLive.Show do
+  use MusicLibraryWeb, :live_view
+
+  alias MusicLibrary.Records
+
+  @impl true
+  def mount(_params, _session, socket) do
+    {:ok, socket}
+  end
+
+  @impl true
+  def handle_params(%{"musicbrainz_id" => musicbrainz_id}, _, socket) do
+    {:ok, artist} = Records.get_artist(musicbrainz_id)
+
+    {:noreply,
+     socket
+     |> assign(:nav_section, :artists)
+     |> assign(:artist, artist)
+     |> assign(:page_title, page_title(socket.assigns.live_action, artist))}
+  end
+
+  defp page_title(:show, artist) do
+    Enum.join(
+      [
+        artist.name,
+        "·",
+        gettext("Details")
+      ],
+      " "
+    )
+  end
+end

lib/music_library_web/live/artist_live/show.html.heex

@@ -0,0 +1,8 @@
+<div class="mt-4 px-4">
+  <h1 class="mt-1 flex font-semibold text-base sm:text-lg leading-5 text-zinc-700 dark:text-zinc-300 text-wrap">
+    <%= @artist.name %>
+  </h1>
+  <p class="mt-2 text-sm leading-5 text-zinc-500 dark:text-zinc-400">
+    <%= raw(@artist.bio) || gettext("Biography not available") %>
+  </p>
+</div>

lib/music_library_web/router.ex

@@ -45,6 +45,8 @@ defmodule MusicLibraryWeb.Router do
 
       live "/wishlist/:id", WishlistLive.Show, :show
       live "/wishlist/:id/show/edit", WishlistLive.Show, :edit
+
+      live "/artists/:musicbrainz_id", ArtistLive.Show, :show
     end
   end