His parents were divorced by the time he was four and even though his stepfather primarily raised him, John Arthur Martinez saw his birth father -- a professional musician -- enough to know that being a performer was a tough life. The Austin native had the urge to perform the Texas-style of country he loved since grade school, and sneaking into an Asleep at the Wheel/Commander Cody show while he was still underage only made it worse. He was performing weekly in local clubs by the time he graduated college, playing songs by George Strait, Dan Fogelberg, and the Beatles. Martine...