For the final concert in LSO St. Luke’s Chopin 2010 series, Benjamin Grosvenor’s programme was framed by the first two Scherzos, with the lengthy Fourth Scherzo forming the centrepiece of the recital. A current BBC Radio 3 New Generation Artist, at eighteen Grosvenor can no longer be classed as a child prodigy, yet, regardless of age, his is still a remarkable achievement.