Why did such an amazing orchestra emerge in Cleveland? “From this once notoriously no-hope city has emerged one of the wonders of the world: an orchestra that displays none of the overt – or extrovert – characteristics of its US siblings, an orchestra whose sound – under current music director Franz Welser-Most, pictured – is so balanced, so luminous, so brilliantly pure, unanimous and gleaming that, at its best, it’s almost miraculous.”