foo_upnp_ml_tree.xml

<MediaLibraryTree>
	<SubTree label="Albums">
		<spec type="object.container.album.musicAlbum">%album%[ '['%album artist%']']</spec>
	</SubTree>
	<SubTree label="Artists">
		<spec type="object.container.person.musicArtist">%artist%</spec>
		<spec type="object.container.album.musicAlbum">%album%</spec>
	</SubTree>
	<SubTree label="Album Artists">
		<spec type="object.container.album.musicAlbum">[%album artist% - ]['['%date%']' ]%album%</spec>
	</SubTree>
	<SubTree label="Genres">
		<spec type="object.container.genre.musicGenre">%&lt;genre&gt;%</spec>
		<spec type="object.container.album.musicAlbum">[%album artist% - ]%album%</spec>
	</SubTree>
	<SubTree label="Years">
		<spec>%date%</spec>
		<spec type="object.container.album.musicAlbum">[%album artist% - ]%album%</spec>
	</SubTree>
	<SubTree label="Compilations" query="compilation PRESENT">
		<spec type="object.container.album.musicAlbum">[%album artist% - ]%album%</spec>
	</SubTree>
	<SubTree label="Codecs">
		<spec>%codec%</spec>
		<spec type="object.container.album.musicAlbum">[%album artist% - ]%album%</spec>
	</SubTree>
	<SubTree label="Folders" type="filesystem"/>
</MediaLibraryTree>