Elisabeth Söderström, soprano, Marga Höffgen, alto, Waldemar Kmentt, tenor, Martti Talvela, bass, New Philharmonia Chorus (in 1st work) ; Daniel Barenboim, piano, John Alldis Choir (in 2nd work) ; New Philharmonia Orchestra ; Otto Klemperer, conductor
Program notes in English, French, and German, and Latin and German texts with German (1st work), English, and French translations (31 p. : port.) inserted in container.
Recorded in Kingsway Hall, London, Sept. and Oct. 1965 (1st work) and in Abbey Road Studios, London, Nov. 1967 (2nd work).