Watch Clarence Gatemouth Brown: In Concert - Ohne Filter (2003) : Full Movie Online Free Clarence 'Gatemouth' Brown is a maestro of the Texas guitar blues - an explosive mixture of Blues, R & B, Country, Jazz and Cajun. 'Gate', who draws full sounds from his electric guitar and is also a full-fledged violinist, can look back over 50 years of stage experience. Watching him in action is proof of his prolific career.