For you folks that enjoy instrumental Zappa (Ghost and others), you should check out "Imaginary Diseases". Released from the vaults in 2007, it is a collection of jazz influenced live instrumentals recorded during Zappa's 1972 tour. It features the fantastic "petit wazoo" brass section. The tunes were selected and mastered by Zappa himself, just never released. It has grown to be one of my favorite Zappa albums.
