diff --git a/api/funkwhale_api/music/admin.py b/api/funkwhale_api/music/admin.py
index 667a7c2a1b10659c4d608fa2af5b6bcaf04e2681..1654428baf866df98f9888c6b101cce2425702cd 100644
--- a/api/funkwhale_api/music/admin.py
+++ b/api/funkwhale_api/music/admin.py
@@ -74,6 +74,8 @@ class TrackFileAdmin(admin.ModelAdmin):
         'source',
         'duration',
         'mimetype',
+        'size',
+        'bitrate'
     ]
     list_select_related = [
         'track'
diff --git a/api/funkwhale_api/music/migrations/0027_auto_20180515_1808.py b/api/funkwhale_api/music/migrations/0027_auto_20180515_1808.py
new file mode 100644
index 0000000000000000000000000000000000000000..835e115a6571c010148c939f11f15023a1d42475
--- /dev/null
+++ b/api/funkwhale_api/music/migrations/0027_auto_20180515_1808.py
@@ -0,0 +1,29 @@
+# Generated by Django 2.0.3 on 2018-05-15 18:08
+
+from django.db import migrations, models
+import taggit.managers
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('music', '0026_trackfile_accessed_date'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='trackfile',
+            name='bitrate',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name='trackfile',
+            name='size',
+            field=models.IntegerField(blank=True, null=True),
+        ),
+        migrations.AlterField(
+            model_name='track',
+            name='tags',
+            field=taggit.managers.TaggableManager(blank=True, help_text='A comma-separated list of tags.', through='taggit.TaggedItem', to='taggit.Tag', verbose_name='Tags'),
+        ),
+    ]
diff --git a/api/funkwhale_api/music/models.py b/api/funkwhale_api/music/models.py
index 294bce354de0eb6dd6b50d71c1eff6234afe132a..0ab8528900906814e4e5459d35adb4156612d1db 100644
--- a/api/funkwhale_api/music/models.py
+++ b/api/funkwhale_api/music/models.py
@@ -429,6 +429,8 @@ class TrackFile(models.Model):
     modification_date = models.DateTimeField(auto_now=True)
     accessed_date = models.DateTimeField(null=True, blank=True)
     duration = models.IntegerField(null=True, blank=True)
+    size = models.IntegerField(null=True, blank=True)
+    bitrate = models.IntegerField(null=True, blank=True)
     acoustid_track_id = models.UUIDField(null=True, blank=True)
     mimetype = models.CharField(null=True, blank=True, max_length=200)