Britain's prog rock masterminds Porcupine Tree shall release a 29-minute EP entitled "Nil Recurring" on Monday, September 17, via their own record label Transmission.

Limited to 5000 copies, the EP comes out as a fold-out digipack containing four tracks written during the "Fear of a Blank Planet" sessions, the title cut being an instrumental featuring Robert Fripp of King Crimson on lead guitar.

Pre-orders for the issue are being taken exclusively via the band's website, porcupinetree.com.