Grateful Dead frontman Jerry Garcia performing in Oakland, Calif., Jan. 1, 1985. (Larry Hulst/Michael Ochs Archives/Getty Images)It was 30 years ago tomorrow that Grateful Dead co-founder, guitarist and vocalist Jerry Garcia died in his room at a drug and alcohol rehabilitation facility outside of San Francisco, on Aug. 9, 1995. He was 53.Fans of the pioneering psychedelic rock band known as Deadheads knew this day would come. Garcia had struggled with drug addiction and diabetes for years and was in bad shape weeks earlier during what would be his final tour.