Tony Martin, a Nashville songwriter who has written 16 #1 country music hits, is a believer as a songwriter that anything you’re immersed in will show up in your writing. So, when you know that Martin has been called to be a seminary teacher three times and has taught Sunday School, it comes as no surprise that religious themes have, at times, snuck into the country songs he writes for a living. But on this week’s episode, Martin talks about writing deliberately spiritual songs for the first time.