Jiaojiao Jiaojiao
1) Christians praise God, which means "Glory to God". It is also a sigh of praise and joy. It's a transliteration of English Hallelujah.
2) The name of the music. This is one of the most famous music in the play Messiah. Composed by German composer Gandel in 174 1, the lyrics are taken from the New Testament. Singing all over the world every Christmas, celebrating the birth of Christ and praising the spirit of Christ's salvation.