Twenty-One Pilots perform at Golden Gate Park in San Francisco during the Outside Lands Music Festival on Aug. 11, 2019. Photos: Joaquin Cabello and Martin Lacey. Outside Lands Music Festival lineups are always strong, but having Twenty One Pilots, Childish Gambino and Paul Simon closing each night was a…

Childish Gambino, Courtesy: Jerm Cohen/Outside Lands. Other photos by Joaquin Cabello and Martin Lacey. Staff. SAN FRANCISCO — Childish Gambino made the announcement shortly after taking the stage: He had just been told that his performance at Outside Lands had drawn the largest single crowd in the festival’s decade-plus history.…