Mason Dixon was an American country music group from Beaumont, Texas, composed of Frank Gilligan (vocals, bass guitar), Jerry Dengler (guitar, banjo), and Rick Henderson (guitar). The band played frequently within the Texas nightclub scene for several years and went on to tour the U.S. and Canada for several more. == Career == The group's founding members were lead vocalist Frank Gilligan (born November 2, 1955) and guitarist Rick Henderson (born May 29, 1953), respectively natives of New York and... [more on Wikipedia]