+#import "PXSourceList.h"
+
+/* playlist column definitions */
+#define TRACKNUM_COLUMN @"tracknumber"
+#define TITLE_COLUMN @"name"
+#define ARTIST_COLUMN @"artist"
+#define DURATION_COLUMN @"duration"
+#define GENRE_COLUMN @"genre"
+#define ALBUM_COLUMN @"album"
+#define DESCRIPTION_COLUMN @"description"
+#define DATE_COLUMN @"date"
+#define LANGUAGE_COLUMN @"language"
+#define URI_COLUMN @"uri"
+