Green Day, Fall out Boy and Weezer Announce 'Hella Mega Tour' The three prominent rock bands are heading out on tour in 2020. Billie Armstrong, on 'Beats 1 Radio' Billie Armstrong, on 'Beats 1 Radio' Billie Armstrong, on 'Beats 1 Radio' The tour will follow a new album from Green Day, 'Father Of All...,' which will likely drop in February. Billie Armstrong, on 'Beats 1 Radio' Billie Armstrong, on 'Beats 1 Radio' Tickets for the 'Hella Mega Tour' go on sale on Sept. 20 at Ticketmaster.com