Apologies if this is old news...
http://pitchfork.com/news/41615-lou-reed-members-of-the-national-my-morning-jacket-and-the-roots-on-new-booker-t-album/ (http://pitchfork.com/news/41615-lou-reed-members-of-the-national-my-morning-jacket-and-the-roots-on-new-booker-t-album/)
Now thats how you do album 'guests'!! A pretty impressive list... :thumbsup:
Potato Hole was great, sounds like this will be too.