In the fall of 2015 , Mickey Hart , Bill Kreutzmann and Bob Weir joined with guitarist John Mayer , keyboardist Jeff Chimenti , and bassist Oteil Burbridge to tour in a band called Dead & Company . Mayer recounts that in 2011 he was listening to Pandora and happened upon the Grateful Dead song " Althea " , and that soon Grateful Dead music was all he would listen to . The band has played three tours , and is currently on a fourth : October – December 2015 , June – July 2016 , and May – July 2017 . Summer Tour 2019 was announced in November 2018 and began in May , 2019
May – July 2017
Dead & Company Summer Tour 2017
Grateful Dead