September 28, 1979: Audio engineers Jay Arthur and Robert Dutczak check the lead control board for the papal visit sound system. Capron Lighting and Sound Co. of Needham installed a sound system designed and built by Bolt Beranek & Newman. Two speaker towers 40 feet high will be set up beside the pavilion, three more clusters of speakers will be located 600 feet from the pavilion on 30-foot towers and loudspeakers will be located in trees at seven other places on the Common.