Note
ED signale comme variante la prescription dans le manuscrit Paris, BnF, ms lat. 13280 du capitule des laudes : "In omnibus requiem" / ED ajoute : "The hymn is the same at all small hours, but all combinations are found, except Rex Christe as the first. Brev.impr.1510 has Memento first, Hours c.1515 has Veni creator Spiritus - Rex christe".