diff --git a/aircox/admin/sound.py b/aircox/admin/sound.py
index 10184e3..ad46336 100644
--- a/aircox/admin/sound.py
+++ b/aircox/admin/sound.py
@@ -1,6 +1,6 @@
 from django.contrib import admin
 from django.utils.safestring import mark_safe
-from django.utils.translation import gettext as _
+from django.utils.translation import gettext_lazy as _
 
 from adminsortable2.admin import SortableInlineAdminMixin
 
@@ -29,6 +29,7 @@ class SoundInline(admin.TabularInline):
 
     def audio(self, obj):
         return mark_safe('<audio src="{}" controls></audio>'.format(obj.url()))
+    audio.short_descripton = _('Audio')
 
     def get_queryset(self, request):
         return super().get_queryset(request).available()
@@ -36,13 +37,10 @@ class SoundInline(admin.TabularInline):
 
 @admin.register(Sound)
 class SoundAdmin(admin.ModelAdmin):
-    def filename(self, obj):
-        return '/'.join(obj.path.split('/')[-2:])
-    filename.short_description=_('file')
-
     fields = None
-    list_display = ['id', 'name', 'program', 'type', 'duration',
-                    'is_public', 'is_good_quality', 'episode', 'filename']
+    list_display = ['id', 'name', 'related',
+                    'type', 'duration', 'is_public', 'is_good_quality',
+                    'audio']
     list_filter = ('type', 'is_good_quality', 'is_public')
 
     search_fields = ['name', 'program__title']
@@ -53,6 +51,16 @@ class SoundAdmin(admin.ModelAdmin):
     readonly_fields = ('path', 'duration',)
     inlines = [SoundTrackInline]
 
+    def related(self, obj):
+        # TODO: link to episode or program edit
+        return obj.episode.title if obj.episode else\
+               obj.program.title if obj.program else ''
+    related.short_description = _('Program / Episode')
+
+    def audio(self, obj):
+        return mark_safe('<audio src="{}" controls></audio>'.format(obj.url()))
+    audio.short_descripton = _('Audio')
+
 
 @admin.register(Track)
 class TrackAdmin(admin.ModelAdmin):
diff --git a/aircox/management/commands/sounds_monitor.py b/aircox/management/commands/sounds_monitor.py
index 3263ebf..42c6d8f 100755
--- a/aircox/management/commands/sounds_monitor.py
+++ b/aircox/management/commands/sounds_monitor.py
@@ -1,9 +1,5 @@
 #! /usr/bin/env python3
 
-# TODO:
-# - quality check
-# - Sound model => program field as not null
-
 """
 Monitor sound files; For each program, check for:
 - new files;
diff --git a/aircox/management/commands/sounds_quality_check.py b/aircox/management/commands/sounds_quality_check.py
index b2469b0..529f35a 100755
--- a/aircox/management/commands/sounds_quality_check.py
+++ b/aircox/management/commands/sounds_quality_check.py
@@ -60,7 +60,7 @@ class Stats:
         self.parse(str(out, encoding='utf-8'))
 
 
-class Sound:
+class SoundStats:
     path = None             # file path
     sample_length = 120     # default sample length in seconds
     stats = None            # list of samples statistics
@@ -155,7 +155,7 @@ class Command (BaseCommand):
             raise CommandError('no attribute specified')
 
         # sound analyse and checks
-        self.sounds = [Sound(path, options.get('sample_length'))
+        self.sounds = [SoundStats(path, options.get('sample_length'))
                        for path in options.get('files')]
         self.bad = []
         self.good = []
diff --git a/aircox/models/sound.py b/aircox/models/sound.py
index e7ea873..2d8cd07 100644
--- a/aircox/models/sound.py
+++ b/aircox/models/sound.py
@@ -80,8 +80,7 @@ class Sound(models.Model):
 
     name = models.CharField(_('name'), max_length=64)
     program = models.ForeignKey(
-        # FIXME: not nullable?
-        Program, models.SET_NULL, blank=True, null=True,
+        Program, models.CASCADE,
         verbose_name=_('program'),
         help_text=_('program related to it'),
     )
diff --git a/aircox/templates/aircox/page_detail.html b/aircox/templates/aircox/page_detail.html
index 5d90ac0..e51ec7b 100644
--- a/aircox/templates/aircox/page_detail.html
+++ b/aircox/templates/aircox/page_detail.html
@@ -13,7 +13,6 @@ Context:
     {% if page.category %}
     {{ page.category.title }} //
     {% endif %}
-    {{ page.pub_date }}
 </span>
 {% endblock %}