MUSIC CAN BE AN ESCAPE FROM the pain of living or a means of lassoing it, drawing it near and staring it down. For Chester Bennington and the fans who cherish his band Linkin Park, it was the latter. The singer-songwriter, who died by suicide on July 20 at 41, helped usher in an entirely new genre that fused rock, metal, rap and grunge at the turn of the millennium. Channeling his own suffering into music, he offered listeners a catharsis for theirs, his voice surging in an instant from plaintive incantation to growling surrender. He was open about his struggles with childhood sexual abuse, addiction and depression, not only in his lyrics but also in interviews, as when he described his mind as a “bad neighborhood” where one shouldn’t…