In this column: Symbolic meaning of animals in blues lyrics, pig in a sack, cow and milk, bee's, low down dog, salty dog, Salty Dog Blues, Salty Dog (Bluegrass), Roosevelt Sykes, Sara Martin, Ida Cox, Memphis Minnie, Leroy Carr and Scrapper Blackwell, Mississippi John Hurt, T-Bone Walker, Denver Pyle and Andy Griffith, PART1 The images …