Adrian Mariappa could have put the hosts ahead but fired straight at Baggies stopper Scott Carson when put through while Graham saw Gianni Zuiverloon pull off a fine block at the back post.
NPR's Melissa Block talks with Nathan Erwin, an entomologist at the Smithsonian's Museum of Natural History and Scott Harvey, an acoustical consultant with the company Polysonics, who has measured the noise levels of the cicada ruckus.