Tony Osborne . A lively , rhythmic and jazzy piece for double bass quintet and composed for American bassist, Barry Green and his Bay Bass Band in San Francisco. Syncopated rhythms abound in this extended one-movement work for a rare combination, and each player is challenged both musically and technically, producing an exciting work which is accessible to any audience. Tony Osborne is unrivalled in this type of jazz-inspired idiom.. Performance Level: Advanced.. Grade: Advanced