Bachtrack Gautier Capuçon and Yuja Wang are two of the busiest performers on the circuit today, according to Bachtrack’s latest annual statistics. And as a pairing, this exhilarating duo was always likely to produce fireworks, although their programme of mature Chopin and Franck also showed much depth and reflection, something Capuçon and Wang were clearly keen to explore. Their flourishing musical collaboration bore considerable fruit in these works, both players mixing …