DENNIS FITZPATRICK: In the late 1950s, while the Mass was still in Latin, Catholic music pioneer Dennis Fitpatrick begins his groundbreaking work in composing English chant for the liturgy. Featured songs: "Kyrie," "Sanctus," "Agnus Dei," and "Communion Motet" by Dennis Fitzpatrick from the 1963 recording, Demonstration English Mass, published by Friends of the English Liturgy.