Improve detecting when track is playing.

app/music.py

@@ -86,12 +86,18 @@ class Music:
         self.player.play()
 
     def playing(self):
-        "Return True if currently playing a track, else False"
+        """
+        Return True if currently playing a track, else False
+
+        vlc.is_playing() returns True if track was faded out.
+        get_position seems more reliable.
+        """
 
         if self.player:
-            return self.player.is_playing()
+            if self.player.get_position() > 0 and self.player.is_playing():
-        else:
+                return True
-            return False
+
+        return False
 
     def set_position(self, ms):
         "Set current play time in milliseconds from start"