<p>Set against the backdrop of post-war Britain, John Osborne''s <i>The Entertainer</i> conjures the seedy glamour of the old music halls for an explosive examination of public masks and private torment.<br><br>First staged at the Royal Court Theatre, London, only eleven months after the opening of <i>Look Back in Anger</i>, the play has become a classic of twentieth-century drama.</p>