AC/DC lead singer Brian Johnson performs during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)
The Australian rock band AC/DC performs during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)
AC/DC lead singer Brian Johnson, left, and lead guitarist Angus Young perform during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)
