John Mayer Reflects on Bob Weir During Anniversary of Final Dead & Co. Datesphoto: Chloe WeirYesterday marked the one year anniversary of the final Dead & Company show. Then, just over five months later, Bob Weir passed away, on January 10, 2026. To use his own term, those three nights were the star in Bob Weir’s heavenly crown. In his final shows, after 60 years, he lived up to every measure of a person he’d ever stood for.