CLOCKING IN AT NEARLY FIVE AND A HALF HOURS, LED ZEPPELIN DVD HAS BEEN CULLED FROM THE FEW PERFORMANCES WHICH WERE EVER FILMED DURING THE BAND'S LIFETIME: LONDON'S ROYAL ALBERT HALL IN JANUARY 1970, LONDON'S EARL COURT IN MAY 1975 AND ENGLAND'S KNEBWORTH FESTIVAL IN AUGUST 1979.