The Apostles' Fast Begins Today? (Eastern Catholic / Orthodox)
(infogalactic.com)
About the work (music): https://infogalactic.com/info/Messe_de_la_Pentecôte
Possible recording: https://yewtu.be/watch?v=DoouENffQCs
Possible recording: https://yewtu.be/watch?v=DoouENffQCs