Unless otherwise stated, Text and Illustration is taken from The Society Of St. Bede - Liturgical Resources - at http://societyofstbede.wordpress.com/, which states that the Translation of the Latin is from "The Liturgical Year", by Abbot Gueranger, O.S.B., Vol. 12, pp. 315 & 362.
This Hymn, "Aurea Luce", is based upon the Poem of Elpis, wife of the philosopher, Boethius. Elpis died around 493 A.D.
The Hymn was revised, under Pope Urban VIII, in 1632, to become the "Decora Lux", as found in the Liber Usualis.
Verses 1, 2, 5 & 6 are sung on the Feast of Saint Peter and Saint Paul (29 June).
Verses 3 & 6 are sung on the Feast of The Chair of Saint Peter at Antioch (22 February).
Verses 4 & 6 are sung on the Feast of the Conversion of Saint Paul (25 January).
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