From the Royal Albert Hall, London. Presented by Andrew McGregor. This electro-acoustic Prom continues with Jonathan Harvey's classic Mortuos plango, vivos voco, merging the sound of the great bell of Winchester Cathedral with the voice of a boy treble, while his new commision Soundings plays on the musical content of speech. Cedric Tiberghien (piano) Emily Beynon (flute) Alexei Ogrintchouk (oboe) Danjulo Ishizaka (cello) Gilbert Nouno (IRCAM Computer Music Designer) Jeremie Henrot (IRCAM Sound Engineer) BBC Scottish Symphony Orchestra Ilan Volkov (conductor) Jonathan Harvey: Mortuos plango, vivos voco; Soundings (BBC co-commission, with IRCAM and Radio France; world premiere).