Co-founded Collaboration by Monty Python member John Cleese , campaigner Peter Luff ( Assistant Director Amnesty International 1974–1978 ) , and entertainment industry executive Martin Lewis , there have been four distinct eras of the Amnesty benefit shows Social_event .

The three subsequent eras ( 1987–1989 , 1991–2001 and 2006 onwards ) have primarily featured locally popular British performers – and spin-off products have been released Publishing mainly in the UK .