Add (Album_Description) and (Artist_Description) filled in container "Songs"



Actually it is possible to display some information from Container “Artists” $INFO[ListItem.Art(artist.fanart)] or $INFO[ListItem.Art(artist.clearlogo)] in Container “Songs” or “Albums”

It will be great to have the possibility to display 

xml:
$INFO[ListItem.Property(Artist_Description)]

only available in Container “Artists” or 

xml:
$INFO[ListItem.Property(Album_Description)]

only available in Container “Albums”
in Container “Songs”.

Sorry if it was requested before.
Thanks.