Matt Mason has been a good friend for over a decade now. He faithfully served in the Sovereign Grace church in New Orleans until last year when he took a position at The Church at Brook Hills with David Platt. I’m grateful God is now using Matt to provide gospel-centered, theologically informed, pastorally wise musical leadership for the folks at Brook Hills. At WorshipGod East (June 27-29) I’ve asked Matt to lead us in song for one session, and to teach a seminar called “The Great God and His Beloved Church.” Matt graciously took time to answer a few questions about himself and his seminar. 1. Briefly share your testimony of conversion …