audio links in entree index launch the audio player

sites/all/modules/figli/edlp_corpus/edlp_corpus.module

@@ -36,7 +36,7 @@ function edlp_corpus_entity_extra_field_info(){
     'label' => t('Index'),
     'description' => 'Display index of all documents tagued with the term',
     'weight' => 99,
-    'visible' => FALSE,
+    // 'visible' => FALSE,
   ];
   return $extra;
 }
@@ -59,7 +59,6 @@ function edlp_corpus_taxonomy_term_view(array &$build, \Drupal\Core\Entity\Entit
       ->condition('field_entrees', $entity->id());
 
     $documents_nids = $query->execute();
-    // dpm($documents_nids);
     $documents = entity_load_multiple('node', $documents_nids);
 
     $documents_list = array (
@@ -70,21 +69,25 @@ function edlp_corpus_taxonomy_term_view(array &$build, \Drupal\Core\Entity\Entit
       $documents_list['#items'][] = $view_builder->view($doc, 'index');
     }
 
-
     // And the last step is to actually build the tree.
     $build['index'] = array(
       '#type'=>"container",
       '#attributes'=>array(
         'class'=>'index'
       ),
+      'label'=>array(
+        '#type' => 'container',
+        "#markup"=> t("Index"),
+        '#attributes'=>array(
+          'class'=>'field__label'
+        ),
+      ),
       'documents'=> $documents_list
     );
-
-
-
   }
 }
 
+
 /**
  * Implements hook_page_attachments().
  * @param array $attachments