The Deep South is noted for its Christian roots, and in spite of the hostile reception rock 'n' roll received from the Bible Belt when it first reared its head, many contemporary musicians began their musical careers in or around the church. The most famous white rock 'n' roller from the Deep South to combine the two was of course Elvis Presley, who recorded the odd religious song.
Although "Jesus Just Left Chicago" isn't exactly a hymn, it does have a spiritual dimension, and is written more in the style of Black Christian music, adhering to a strict blues format. And Gibbons is actually known as Reverend Billy Gibbons!
Alexander Baron - London, England, for above 2