Here’s how to chant the Gloria in excelsis, according to the following setting from the 1982 Hymnal. (Scroll down for Youtube video.)
As Managing Editor, Josh is in charge of the day-to-day operations at Anglican Pastor. He is a priest in the Anglican Church in North America, serving at Church of the Savior in Wheaton, IL (Diocese of C4SO). Josh is also a Ph.D. student in theology at Wheaton College. You can follow Josh on micro.blog, or learn more at joshuapsteele.com.
This tune is also used in the Lutheran masses from the Common Service tradition. For example, it’s found in The Lutheran Hymnal (1941) and it is Setting Three in Lutheran Service Book (2006).