s/saved/ruined
"A lot of hair metal and stadium rock, like Bon Jovi and Bruce Spingsteen, came into the charts, and they had a bigger share of the overall charts," Mauch added. "But then rap and hip-hop came in. I think hip-hop saved the charts."
...but then again I grounded out on the late 80s at some point and am still stubbornly trying to pretend that there's no such thing as "Dubstep"