BCMG/Ollu review – consummate expertise with teeming, tangled Boulez

Cadogan Hall, London
The French composer’s most substantial recent piece and a clutch of premieres provided colourful scoringThe four Saturday afternoon Proms at Cadogan Hall this year divide between baroque and new music, with the contemporary strand woven around a 90th-birthday tribute to Pierre Boulez. The first, given with consummate expertise by Birmingham Contemporary Music Group and conductor Franck Ollu, ended with the teeming, furiously tangled ensemble writing of Boulez’s most subs