Exploring one of this season's recurring Proms themes, David Owen Norris discusses unfinished works and composers who complete them, ahead of this evening's performances of Schubert's 'Unfinished' Eighth Symphony and Mahler's 10th, completed by Deryck Cooke.
Edited version broadcast on BBC Radio 3 during tonight's interval.
Booking is not required for this event. Entry is on a first-come-first-served basis (doors open from 30 minutes before the event begins; capacity is limited).
Image: Proms Extra © Chris Christodoulou/BBC
Image: David Owen Norris