66x10 - BBC Proms

Daniel Barenboim and his youthful ensemble relish the energy of Beethoven's Fourth Symphony before tackling the 'Eroica', one of the irrefutable mould-breakers of classical music. Between these peaks, Boulez's Dialogue de l'ombre double introduces another kind of theatre, the clarinet's electronic double becoming more 'real' than the soloist physically present.