New Zappa CD!

We just got the news from www.zappa.com
The title of the new Vaulternative Records release is Joe's Menage.
But there's not much information on what this really is: "$16.00 Newest Corsaga - for NOW! Rare 1975 thrillingness. Be very afraid of being Danish. Or not. Rant & Roll. Please Note: This item will ship on or around October 1, 2008."