AC/DC CONCERT
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)
Lead guitarist Angus Young, center, and the Australian rock band AC/DC perform 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 guitarist Angus Young 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 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 open their show with fireworks during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)
Fans watch the Australian rock band AC/DC during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)
A fan makes the rock sign as 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)
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)
Fans wait for the Australian rock band AC/DC to perform during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)
A couple embraces each other as fans wait for the Australian rock band AC/DC to perform during their Rock Or Bust World Tour at AT&T Park in San Francisco, Calif., on Friday, Sept. 25, 2015. (Ray Chavez/staff)