G. Winston Cassler (1908–1990) — Eucharistia (Meditation on a Plainsong Kyrie) (1965) for organ
(based on the plainsong Kyrie from Missa “Cum jubilo,” Mass IX)
G. Winston Cassler (1908–1990) was educated at McPherson College and the Oberlin Conservatory of Music. He served for many years as Professor of Music (theory and composition) at St. Olaf College in Northfield, Minnesota.