diff --git a/bin/ffx.py b/bin/ffx.py
index 4d5a775..b17ccea 100755
--- a/bin/ffx.py
+++ b/bin/ffx.py
@@ -273,11 +273,10 @@ def inspect(ctx, filename):
     click.echo(f"Pattern: {pattern} id={pattern.id} show={pattern.show.name} year={pattern.show.year}")
 
     db_md = pattern.getMediaDescriptor()
-    click.echo(f"md from db: {db_md} tags={'|'.join([f"{k}={v}" for (k,v) in db_md.getTags().items()])}")
+    click.echo(f"md from db: {db_md} tags={'|'.join([f"{k}={v}" for (k,v) in db_md.getTags().items()])} a_tracks={db_md.getAudioTracks()} s_tracks={db_md.getSubtitleTracks()}")
 
-
-#     for d in sd:
-#         click.echo(f"{d['codec_name']}{' (' + str(d['channels']) + ')' if d['codec_type'] == 'audio' else ''}")
+    atrack0 = db_md.getAudioTracks()[0]
+    click.echo(f"a track0: lang={atrack0.getLanguage()} title={atrack0.getTitle()}")
 
 
 
diff --git a/bin/ffx/model/pattern.py b/bin/ffx/model/pattern.py
index d6c8bd7..1fc1fa1 100644
--- a/bin/ffx/model/pattern.py
+++ b/bin/ffx/model/pattern.py
@@ -26,7 +26,7 @@ class Pattern(Base):
     # show_id: Mapped[int] = mapped_column(ForeignKey("shows.id", ondelete="CASCADE"))
     # show: Mapped["Show"] = relationship(back_populates="patterns")
 
-    tracks = relationship('Track', back_populates='pattern', cascade="all, delete")
+    tracks = relationship('Track', back_populates='pattern', cascade="all, delete", lazy='joined')
 
 
     media_tags = relationship('MediaTag', back_populates='pattern', cascade="all, delete", lazy='joined')
@@ -52,9 +52,14 @@ class Pattern(Base):
 
         kwargs = {}
         kwargs[MediaDescriptor.TAGS_KEY] = self.getTags()
-        md = MediaDescriptor(**kwargs)
+        
+        kwargs[MediaDescriptor.TRACK_DESCRIPTORS_KEY] = {}
 
-        # for t in self.tracks:
-        #     md.appendTrack(t.getDescriptor())
+        for track in self.tracks:
 
-        return md
+            if track.getType() not in kwargs[MediaDescriptor.TRACK_DESCRIPTORS_KEY].keys():
+                kwargs[MediaDescriptor.TRACK_DESCRIPTORS_KEY][track.getType().label()] = []
+
+            kwargs[MediaDescriptor.TRACK_DESCRIPTORS_KEY][track.getType().label()].append(track.getDescriptor())
+
+        return MediaDescriptor(**kwargs)