Robert Plant, Jimmy Page and John Paul Jones launched their new concert film in London today
Alice Cooper and Deep Purple's Ian Paice also take to the stage at the annual Sunflower Jam bash
Rock legends' first gig after 27 years will be available on DVD on November 19
16-second clip indicates that the band's big announcement will indeed by a live DVD
Legendary band posted cryptic status update on Facebook yesterday (September 8)
Guitar legend says he's upset that organisers haven't asked him to be involved in London 2012
Guitarist to release ditched 'Lucifer Rising' recordings
The rock legends' 2007 show has paid for the Mica and Ahmet Ertegun Graduate Scholarship Programme in the Humanities
But drummer plays down the chance of the band reuniting for the Olympics opening ceremony
Louise Mensch says she has suggested the legendary axeman be made a 'Sir'