The following selections were found in iTunes for
Frank Zappa "Duke of Prunes":

Title	Artist	Album	PURCHASE
The Duke of Prunes	The Mothers of Invention	Absolutely Free
The Duke of Prunes	Frank Zappa & The Mothers of Invention	Mothermania - The Best of the Mothers
The Duke of Prunes	Frank Zappa	Orchestral Favorites
Duke of Orchestral Prunes	Frank Zappa	Läther (Booklet Version)
The Duke of Prunes	Frank Zappa	Mystery Disc
Duke of Prunes	Le Concert Impromptu	Prophetic Attitude