Congo Square 2005Clarence Gatemouth Brown By George Hunt Clarence "Gatemouth" Brown was a musical gumbo: A tasty melange of blues, R&B, country, swing, bebop and Cajun ingredients simmered to perfection for more than eighty years. Born in Vinton, Louisiana, Gate played guitar, fiddle, mandolin, harmonica and drums publicly for well over half a century. In 1982 at 57, 30 years after he began recording, Gate won a Grammy and was to be nominated for five more. At a time