Entrance Antiphon, Cf. Ex 15:1-2:Let us sing to the Lord, for he has gloriously triumphed. The Lord is my strength and my might; he has become my salvation.Today the Roman Martyrology commemorates St. Angelus of Jerusalem, O.Carm (1185-1220), priest, martyr, hermit, mystic, reformer, thaumaturge, missionary, convert from Judaism and a professed Priest of the Order of the Brothers of the Blessed Virgin Mary of Mount Carmel. He is also known as St. Angelus of Sicily and St. Angelo. Born in 1145 at Jerusalem and died by being stabbed to death in 1220 at Licata, Sicily.