What comes to mind when you hear Hillsong? Elevation? Passion? Bethel? You may think megachurch. You may think controversy or scandal. But you also may think of music. And chances are, if you were in church last Sunday, you sang a song produced by, or associated in some way with, one of these four worship powerhouses.

In this edition of The Roys Report, two collaborators of a new study on worship join me to discuss their stunning findings.