diff --git a/README.md b/README.md
index 6c971cb..d42707b 100644
--- a/README.md
+++ b/README.md
@@ -148,10 +148,13 @@ uses different host paths or image user IDs.
 
 - **Appearance > Customize**: hero, manifesto, laboratory, teacher, lessons, contacts,
   social links, and footer.
-- **Shows**: poster, title, short description, year, place, and order. The line above
-  each title is built from **Anno** and **Luogo** inside **Dettagli spettacolo**. The
-  text below the title is **Descrizione breve**.
-- **Gallery**: image, category, caption/title, and order.
+- **Shows**: poster, title, short description, year, place, and order. Shows use the
+  classic WordPress editor so the **Dettagli spettacolo** box is always visible below
+  the title/content area. The line above each title is built from **Anno** and
+  **Luogo**; the text below the title is **Descrizione breve**, stored as the standard
+  WordPress excerpt.
+- **Gallery**: image, category, caption/title, and order. Gallery items also use the
+  classic editor for a predictable metadata form.
 - **Settings > General**: site name and tagline.
 
 Real uploaded images replace the built-in editorial SVG placeholders. The three
diff --git a/docs/runbook.md b/docs/runbook.md
index 759b9ff..79474cb 100644
--- a/docs/runbook.md
+++ b/docs/runbook.md
@@ -51,12 +51,18 @@ HTTPS redirects during production startup.
 ## Show card description is hard to find
 
 Edit **Spettacoli**, open the show, then use **Dettagli spettacolo > Descrizione
-breve**. That field is rendered below the title in the homepage show card.
+breve**. That field is rendered below the title in the homepage show card and is stored
+as the standard WordPress excerpt.
 
 The small uppercase line above the title is not the description. It is built from
 **Dettagli spettacolo > Anno** and **Luogo**. Empty fields are hidden on the public
 card.
 
+Shows and gallery items intentionally use the classic WordPress editor so the metadata
+box remains visible and predictable. If the block editor appears for these objects,
+rebuild/recreate the WordPress container so the current must-use plugin is copied into
+the persistent `WORDPRESS_DATA_PATH` volume.
+
 ## A service cannot write to its volume
 
 1. Stop the affected service.
diff --git a/wordpress/mu-plugins/azionelab-content.php b/wordpress/mu-plugins/azionelab-content.php
index 5b19b22..ede6747 100644
--- a/wordpress/mu-plugins/azionelab-content.php
+++ b/wordpress/mu-plugins/azionelab-content.php
@@ -20,7 +20,7 @@ function azionelab_register_content_types(): void {
                 'edit_item'     => 'Modifica spettacolo',
             ),
             'public'       => true,
-            'show_in_rest' => true,
+            'show_in_rest' => false,
             'menu_icon'    => 'dashicons-tickets-alt',
             'supports'     => array( 'title', 'editor', 'excerpt', 'thumbnail', 'page-attributes' ),
             'has_archive'  => false,
@@ -39,7 +39,7 @@ function azionelab_register_content_types(): void {
             ),
             'public'       => false,
             'show_ui'      => true,
-            'show_in_rest' => true,
+            'show_in_rest' => false,
             'menu_icon'    => 'dashicons-format-gallery',
             'supports'     => array( 'title', 'thumbnail', 'page-attributes' ),
         )
@@ -47,6 +47,15 @@ function azionelab_register_content_types(): void {
 }
 add_action( 'init', 'azionelab_register_content_types' );
 
+function azionelab_use_classic_editor_for_structured_content( bool $use_block_editor, string $post_type ): bool {
+    if ( in_array( $post_type, array( 'azl_show', 'azl_gallery' ), true ) ) {
+        return false;
+    }
+
+    return $use_block_editor;
+}
+add_filter( 'use_block_editor_for_post_type', 'azionelab_use_classic_editor_for_structured_content', 10, 2 );
+
 function azionelab_add_meta_boxes(): void {
     add_meta_box( 'azl_show_details', 'Dettagli spettacolo', 'azionelab_show_meta_box', 'azl_show', 'normal' );
     add_meta_box( 'azl_gallery_details', 'Dettagli foto', 'azionelab_gallery_meta_box', 'azl_gallery', 'normal' );