By Brandy McDonnell Features Writer bmcdonnell@oklahoman.com Johnny Cash famously likened doing his job — making music and taking his show on the road while coping with the pitfalls of fame — to walking a line. For Corbin Mayer, portraying the Man in Black in a singular moment in his young career is comparable to another circus trick. “It's definitely a lot like juggling: the spirit of the character and music of the show and the performance, making it sensational and authentic at the same time.Read more on NewsOK.com