Jazz Fest 19751975 by Sharon Dinkins & Thorn Grafton First in the series by Sharon Dinkins & Thorn Grafton. The poster depicts an umbrella wielding grand marshal in a typical pose leading one of New Orleans' unique marching jazz bands. The umbrella not only adds impact to the marshal's "second line" dance, but protects him from the city's dual weather pattern: Too much sun and too much rain. The nature of the series as a limited edition silk screen poster was