The 8 August 1969 edition of the San Francisco Chronicle lists Tyrannosaurus Rex among the acts for a dance-concert at the Family Dog on the Great Highway. Publication: San Francisco Chronicle Date: August 8, 1969 Country: United States THE STORY The short listing announces a Dance-Concert featuring Country Joe and the Fish, Tongue and Groove, Kevin the Organist and Tyrannosaurus Rex at the Family Dog on the Great Highway, 660 Great Highway, next to Playland. CONTEXT AND NOT