Summa (Version for String Quartet) (1977, rev. 1990)
Chilingirian Quartet, Levon Chilingirian (Violin), Charles Sewart (Violin), Simon Rowland-Jones (Viola), Philip de Groote (Violoncello)
July 1993, London, All Saints Church
- 04:34Summa (Version for String Quartet) (1977, rev. 1991)