Hot Tuna started life as a set-breaking acoustic showcase by the members of Jefferson Airplane intended to contrast with the band's infamous psychedelic rock explorations. Long before the days of MTV Unplugged these impromptu performances would feature guitarist Jorma Kaukonen and bassist Jack Casady rockin' through ragtime blues standards and Tuna originals true to the free spirit of the music's very roots.Jesse Block's concert documentary 25 Years & Runnin' celebrates Hot Tuna's dedication to their influences and musical traditions. Jorma and Jack reflect on their influences and musical partnership since playing in a high school garage band while their fansexplain the Jorma/Jack chemistry that's kept them tuned to Tuna for a quarter century.