In the 1st work: Simon Preston, organ. In the 2nd: Yvonne Loriod, piano ; Janos Starker, cello ; Wallace Mann, flute ; Loren Kitt, clarinet ; Frank A. Ames, marimba ; John A.C. Kane, xylorimba ; Ronald Barnett, vibraphone ; Westminster Symphonic Choir ; National Symphony Orchestra, Washington, D.C. ; Antal Dorati, conductor
The 1st work for organ.
The 2nd work an oratorio; Latin text from: the Bible, the Missal, and Summa theologica by St. Thomas Aquinas.
1st work recorded 1965 Abbey Westminster Abbey.
2nd work recorded 1972 April Constitution Hall, Washington, D.C.