“In music, so the argument goes, you cannot express yourself without listening to others and respecting their voice. Legato denotes boundaries. Tempo, the speed of a process. Dynamics, the volume at which your voice may or may not overpower another. The symphony orchestra, Barenboim deduces, is therefore an alternative ‘template for democracy’; and his particular orchestra — comprised as it is of 120 young Israelis, Palestinians, Lebanese, Syrians, Jordanians, Egyptians and Iranians — perhaps the unlikely archetype.”