Bob Margolin, nicknamed Steady Rollin, is an American blues guitarist, singer, songwriter and founder/owner of Steady Rollin’ Records. He is born May 9, 1949 in Brookline, a Boston, Massachusetts suburb. He started playing guitar in 1964, and was touring with Muddy Waters 1973-80. He is a columnist for the Blues Revue magazine, and co-founded Vizztone label Group.