Mark E Smith and co will release 29th studio LP 'Ersatz G.B' in November
Band to make album number 29 for 2011 release
Campaigners gather outside Electric Ballroom gig
Frontman brands the band 'retarded Irish folk singers'
Unofficial anthem available from May 4
'Your Future Is Our Clutter' is out in the spring
The Wurzels also join next year's three day summer bash
'This Nation's Saving Grace' is the first to be re-released
Recovering singer adopts unusual singing position as he recovers from hip injury