diff --git a/gst-libs/gst/tag/gstid3tag.c b/gst-libs/gst/tag/gstid3tag.c
index 4a528d7ee4..7509b6917b 100644
--- a/gst-libs/gst/tag/gstid3tag.c
+++ b/gst-libs/gst/tag/gstid3tag.c
@@ -146,16 +146,20 @@ gst_tag_from_id3_tag (const gchar * id3_tag)
 
 static const GstTagEntryMatch user_tag_matches[] = {
   /* musicbrainz identifiers being used in the real world (foobar2000) */
+  {GST_TAG_MUSICBRAINZ_RELEASETRACKID, "TXXX|musicbrainz_trackid"},
   {GST_TAG_MUSICBRAINZ_ARTISTID, "TXXX|musicbrainz_artistid"},
   {GST_TAG_MUSICBRAINZ_ALBUMID, "TXXX|musicbrainz_albumid"},
   {GST_TAG_MUSICBRAINZ_ALBUMARTISTID, "TXXX|musicbrainz_albumartistid"},
+  {GST_TAG_MUSICBRAINZ_RELEASEGROUPID, "TXXX|musicbrainz_releasegroupid"},
   {GST_TAG_MUSICBRAINZ_TRMID, "TXXX|musicbrainz_trmid"},
   {GST_TAG_CDDA_MUSICBRAINZ_DISCID, "TXXX|musicbrainz_discid"},
   /* musicbrainz identifiers according to spec no one pays
    * attention to (http://musicbrainz.org/docs/specs/metadata_tags.html) */
+  {GST_TAG_MUSICBRAINZ_RELEASETRACKID, "TXXX|MusicBrainz Release Track Id"},
   {GST_TAG_MUSICBRAINZ_ARTISTID, "TXXX|MusicBrainz Artist Id"},
   {GST_TAG_MUSICBRAINZ_ALBUMID, "TXXX|MusicBrainz Album Id"},
   {GST_TAG_MUSICBRAINZ_ALBUMARTISTID, "TXXX|MusicBrainz Album Artist Id"},
+  {GST_TAG_MUSICBRAINZ_RELEASEGROUPID, "TXXX|MusicBrainz Release Group Id"},
   {GST_TAG_MUSICBRAINZ_TRMID, "TXXX|MusicBrainz TRM Id"},
   /* according to: http://wiki.musicbrainz.org/MusicBrainzTag (yes, no space
    * before 'ID' and not 'Id' either this time, yay for consistency) */
diff --git a/gst-libs/gst/tag/gstvorbistag.c b/gst-libs/gst/tag/gstvorbistag.c
index 28c24ab2a8..a9ce48568b 100644
--- a/gst-libs/gst/tag/gstvorbistag.c
+++ b/gst-libs/gst/tag/gstvorbistag.c
@@ -74,9 +74,11 @@ static const GstTagEntryMatch tag_matches[] = {
   {GST_TAG_ALBUM_PEAK, "REPLAYGAIN_ALBUM_PEAK"},
   {GST_TAG_REFERENCE_LEVEL, "REPLAYGAIN_REFERENCE_LOUDNESS"},
   {GST_TAG_MUSICBRAINZ_TRACKID, "MUSICBRAINZ_TRACKID"},
+  {GST_TAG_MUSICBRAINZ_RELEASETRACKID, "MUSICBRAINZ_RELEASETRACKID"},
   {GST_TAG_MUSICBRAINZ_ARTISTID, "MUSICBRAINZ_ARTISTID"},
   {GST_TAG_MUSICBRAINZ_ALBUMID, "MUSICBRAINZ_ALBUMID"},
   {GST_TAG_MUSICBRAINZ_ALBUMARTISTID, "MUSICBRAINZ_ALBUMARTISTID"},
+  {GST_TAG_MUSICBRAINZ_RELEASEGROUPID, "MUSICBRAINZ_RELEASEGROUPID"},
   {GST_TAG_MUSICBRAINZ_TRMID, "MUSICBRAINZ_TRMID"},
   {GST_TAG_ARTIST_SORTNAME, "ARTISTSORT"},
   {GST_TAG_ARTIST_SORTNAME, "ARTISTSORTORDER"},
diff --git a/gst-libs/gst/tag/tag.h b/gst-libs/gst/tag/tag.h
index 1e2eec4ea6..749705e8ce 100644
--- a/gst-libs/gst/tag/tag.h
+++ b/gst-libs/gst/tag/tag.h
@@ -57,6 +57,18 @@ G_BEGIN_DECLS
  * MusicBrainz album artist ID
  */
 #define GST_TAG_MUSICBRAINZ_ALBUMARTISTID	"musicbrainz-albumartistid"
+/**
+ * GST_TAG_MUSICBRAINZ_RELEASEGROUPID:
+ *
+ * MusicBrainz Release Group ID
+ */
+#define GST_TAG_MUSICBRAINZ_RELEASEGROUPID	"musicbrainz-releasegroupid"
+/**
+ * GST_TAG_MUSICBRAINZ_RELEASETRACKID:
+ *
+ * MusicBrainz Release Track ID
+ */
+#define GST_TAG_MUSICBRAINZ_RELEASETRACKID	"musicbrainz-releasetrackid"
 /**
  * GST_TAG_MUSICBRAINZ_TRMID:
  *
@@ -431,12 +443,12 @@ GST_TAG_API
 const gchar *           gst_tag_to_vorbis_tag                   (const gchar *          gst_tag);
 
 GST_TAG_API
-void                    gst_vorbis_tag_add                      (GstTagList *           list, 
-                                                                 const gchar *          tag, 
+void                    gst_vorbis_tag_add                      (GstTagList *           list,
+                                                                 const gchar *          tag,
                                                                  const gchar *          value);
 
 GST_TAG_API
-GList *                 gst_tag_to_vorbis_comments              (const GstTagList *     list, 
+GList *                 gst_tag_to_vorbis_comments              (const GstTagList *     list,
                                                                  const gchar *          tag);
 
 /* functions to convert GstBuffers with vorbiscomment contents to GstTagLists and back */
diff --git a/gst-libs/gst/tag/tags.c b/gst-libs/gst/tag/tags.c
index 968fcce489..ac94860772 100644
--- a/gst-libs/gst/tag/tags.c
+++ b/gst-libs/gst/tag/tags.c
@@ -82,6 +82,12 @@ gst_tag_register_tags_internal (gpointer unused)
   gst_tag_register_static (GST_TAG_MUSICBRAINZ_ALBUMARTISTID, GST_TAG_FLAG_META,
       G_TYPE_STRING,
       _("album artist ID"), _("MusicBrainz album artist ID"), NULL);
+  gst_tag_register_static (GST_TAG_MUSICBRAINZ_RELEASEGROUPID,
+      GST_TAG_FLAG_META, G_TYPE_STRING, _("release group ID"),
+      _("MusicBrainz release group ID"), NULL);
+  gst_tag_register_static (GST_TAG_MUSICBRAINZ_RELEASETRACKID,
+      GST_TAG_FLAG_META, G_TYPE_STRING, _("release track ID"),
+      _("MusicBrainz release track ID"), NULL);
   gst_tag_register_static (GST_TAG_MUSICBRAINZ_TRMID, GST_TAG_FLAG_META,
       G_TYPE_STRING, _("track TRM ID"), _("MusicBrainz TRM ID"), NULL);
 
diff --git a/tests/check/libs/tag.c b/tests/check/libs/tag.c
index 2c069f8218..b3be945bb0 100644
--- a/tests/check/libs/tag.c
+++ b/tests/check/libs/tag.c
@@ -192,6 +192,8 @@ GST_START_TEST (test_musicbrainz_tag_registration)
   gst_vorbis_tag_add (list, "MUSICBRAINZ_ARTISTID", "234567");
   gst_vorbis_tag_add (list, "MUSICBRAINZ_ALBUMID", "345678");
   gst_vorbis_tag_add (list, "MUSICBRAINZ_ALBUMARTISTID", "4567890");
+  gst_vorbis_tag_add (list, "MUSICBRAINZ_RELEASETRACKID", "4567891");
+  gst_vorbis_tag_add (list, "MUSICBRAINZ_RELEASEGROUPID", "4567892");
   gst_vorbis_tag_add (list, "MUSICBRAINZ_TRMID", "5678901");
   /* MUSICBRAINZ_SORTNAME = GST_TAG_ARTIST_SORTNAME now */
   gst_vorbis_tag_add (list, "MUSICBRAINZ_SORTNAME", "Five, 678901");
@@ -201,6 +203,10 @@ GST_START_TEST (test_musicbrainz_tag_registration)
   ASSERT_TAG_LIST_HAS_STRING (list, GST_TAG_MUSICBRAINZ_ALBUMID, "345678");
   ASSERT_TAG_LIST_HAS_STRING (list, GST_TAG_MUSICBRAINZ_ALBUMARTISTID,
       "4567890");
+  ASSERT_TAG_LIST_HAS_STRING (list, GST_TAG_MUSICBRAINZ_RELEASETRACKID,
+      "4567891");
+  ASSERT_TAG_LIST_HAS_STRING (list, GST_TAG_MUSICBRAINZ_RELEASEGROUPID,
+      "4567892");
   ASSERT_TAG_LIST_HAS_STRING (list, GST_TAG_MUSICBRAINZ_TRMID, "5678901");
   ASSERT_TAG_LIST_HAS_STRING (list, GST_TAG_ARTIST_SORTNAME, "Five, 678901");