Can classical music change lives? In Soul Music, novelist Candace Allen embarks on a personal journey that takes her from the streets of London and Scotland to Venezuela, where the Sistema scheme has offered thousands of young people a route out of the ghetto mentality through virtuoso musical training, bringing global fame to the charismatic conductor Gustavo Dudamel; to Ramallah, and Daniel Barenboim's East-West Divan Orchestra in which young Israelis and Palestinians play side-by-side.