Nos. 1-5
Ruggero Gerlin, Bruce Boyce, Alfred Deller, John Whitworth, Anthony Lewis, Margaret Ritchie, St. Anthony Singers, L'Ensemble de L'Oiseau-Lyre
Nos. 6-9
Margaret Ritchie, Bruce Boyce, St. Anthony Singers, Alfred Deller, John Whitworth, Ruggero Gerlin, Anthony Lewis, L'Ensemble de L'Oiseau-Lyre