BBC Proms2015Pierre Boulez: Notations 1–4 & 7BBC Radio 3 Duration: 17 minutesSusanna Mälkki conducts the BBC Symphony Orchestra.ContributorsAdvertising Production Company:Pierre BoulezPerformer:BBC Symphony OrchestraConductor:Susanna MälkkiGenresMusicClassicalBrandBBC PromsSeriesBBC Proms: 2015 Source: BBC Online