Billy Joe Shaver wrote nine of the ten songs included on Waylon Jennings's landmark album Honky Tonk Heroes and played a dominant role in the origins and development of the Outlaw Country movement of the 1970s. He has been named by Ray Wylie Hubbard, alongside Townes Van Zandt and Guy Clark, as a member of the "holy trinity" of Texas songwriters. He has exerted a Texas-sized influence on Texas music and especially Texas singer-songwriters,...