Luke Bryan first moved to Nashville about ten years ago.  When success didn't come overnight, he kept writing, as well as performing, and ended up with his first number one hit as a co-writer for Billy Currington's 'Good Directions.'  His sophomore album 'Doin' My Thing' on Capitol Records was released in 2009 has now given him three consecutive singles that have climbed to the top spot.  We caught up with Luke and his producer Jeff Stevens, the co-writers behind Luke's latest hit 'Someone Else Calling You Baby.'