Maybe it’s because those who lived it in their early years are now the ones programming the gallery and museum shows. Or maybe it’s because the music and visual identity of the era is still so ingrained in the culture. Music was a major touchstone for the art scene, after all, with an abundance of crossover between artists and musicians. The recent Metropolitan Museum costume exhibit, “PUNK: From Chaos to Couture,” was a controversial smash, as many protested against the perceived mockery being made of a movement they considered political and socially iconoclastic in nature. The punk ethos made a claim for being very “street,” with graffiti, DIY outfits, general rebellion and a reordering of the senses called for.