sane-tag-music: allow "info.txt" as an artist-associated item

pkgs/additional/sane-scripts/src/sane-tag-music

@@ -407,12 +407,20 @@ class Tags:
         it's tough to distinguish such an item from an incomplete tag,
         so we special-case them.
         """
-        title = self.title[0].lower() if len(self.title) == 1 else ""
-        return ext.lower() in IMAGE_EXTENSIONS \
-            and not self.producer \
+        is_associated_with_artist = \
+            not self.producer \
             and (self.albumartist or self.artist) \
-            and not self.album \
-            and title == "artist"
+            and not self.album
+        if not is_associated_with_artist:
+            return False
+
+        title = self.title[0].lower() if len(self.title) == 1 else ""
+        if ext.lower() in IMAGE_EXTENSIONS and title == "artist":
+            return True
+        if ext.lower() in [ "md", "txt" ] and title == "info":
+            return True
+
+        return False
 
     def to_path(self, ext: str) -> str | None:
         is_artist_item = self.is_artist_item(ext)