A mastermind of the biggest concert in history, which raised over £150million for famine relief, said the cause is just as important today. Today, Live Aid organisers Midge Ure and Bob Geldof will mark the 40th anniversary of the two-venue event at Wembley and Philadelphia. The pair, along with Live Aid performers U2's Bono , Queen's Brian May and Chrissie Hynde, will attend a matinee of Just For One Day: The Live Aid Musical at London’s Shaftesbury Theatre. Midge, 71, said: “It’s a story that’