Adam Pertman is the executive director of the Evan B. Donaldson Adoption Institute in New York City. He wrote Adoption Nation: How the Adoption Revolution is Transforming America.

Jonathan Kirsch is the author of A History of the End of the World: How the Most Controversial Book in the Bible Changed the Course of Western Civilization. He says apocalyptic anxiety has never been wholly absent from our culture, but it is at an all-time high now, due to current events and natural disasters.

John R. Hall is a professor of sociology at the University of California, Davis. He is the author of Apocalypse: From Antiquity to the Empire of Modernity (2009) and can discuss the history of apocalyptic movements, prophets and groups.

Crawford Gribben is a director of the Trinity Millennialism Project at Trinity College in Dublin, Ireland.

According to The Boston Globe’s Dec. 3, 2006, article Christian and gospel music is the one growing music category; sales in 2007 were up 11.6 percent. That popularity is recognized at conferences and music award ceremonies, where Christian rap or hiphop is increasingly included as a category.

Joseph Gelfer is an adjunct research associate in the School of Political and Social Inquiry at Monash University in Australia and editor of the anthology 2012: Decoding the Countercultural Apocalypse (2011).

Read a May 13, 2013 Christianity Today article that lists and explores artists shaping the Christian hiphop movement.

Read a June 18, 2013 Christianity Today interview with Christian hiphop artist Daniel White and his understanding of “theomusicology.”

Read a May 30, 2013 Christianity Today article about the “new phase” that Christian hiphop is supposedly to be moving into.