Forty years and seven studio albums later, iconic Los Angeles punk band, X, still tours with its original lineup. Such tenacity and popularity are celebrated in the Grammy Museum’s current exhibit, “X: 40 Years of Punk in Los Angeles.” Ampersand reporter Rosemarie Alejandrino talks to X’s lead vocalists, John Doe and Exene Cervenka, about being immortalized as part of punk history – and seeing their artifacts enshrined. It all seems very counter-punk. Or is it?