Definition: The phrase "Alleluia" comes from Latin and means, "In praise of our God." It was first used by the Israelites in 1 Chronicles 20:49 when they offered a sacrifice to God for their sins. Definition: - Alleluia is a popular hymn or song that was composed and sung by the Hebrew soprano Rachel Packer in the early years of the Protestant Reformation. It was first performed on June 16, 1750 at the King's Chapel, Liverpool (now part of Liverpool City Council) as a response to the English Reformed Church's use of the Latin psalm Psalm 29:1-4 as its Sunday Morning prayer. The Alleluia song is often used by churches during religious services or events. It emphasizes praise and adoration for God through melody, rhythm, and words that evoke joy and inspiration in worshipers.