Arnold Schoenberg ; Günter Reich, speaker ; Marita Napier, soprano ; Yvonne Minton, mezzo-soprano ; Jess Thomas, Kenneth Bowen, tenors ; Siegmund Nimsgern, baritone ; BBC Singers ; BBC Choral Society ; Goldsmith's Choral Union ; Gentlemen of the London Philharmonic Choir ; BBC Symphony Orchestra ; Pierre Boulez, conductor