Previous headline performers have included Patti Smith , Ray Davies of the Kinks , Mick Jones of The Clash , the actor Michael Sheen , the writer Caitlin Moran , the poet John Cooper Clarke , the comedians Harry Hill and Alexei Sayle , the painter Peter Blake etc .

The shows Social_event started Process_start in 1976 featuring Cause_to_be_included popular British comedians but later included Cause_to_be_included leading musicians and actors .