-I<rating/5>. Certain tags are automatically filled in from other file
-metadata, see L</"Special Tags>.
-
-=head2 Special Directories
-
-=over 4
-
-=item B<ALL>
-
-This is a special directory in the root of the filesystem, that
-provides access to all the indexed files, regardless of tags assigned.
-
-=item B<TRACKS>
-
-All tracks that match the given tag expression, whether they have an
-assigned artist and album or not.
-
-=item B<NOARTIST>
-
-Tracks matching the given expression that do not have an artist tag.
-
-=item B<NOALBUM>
-
-Tracks matching the given expression that do not have an album tag.
-
-=back