“America’s Only Rock ‘N’ Roll Magazine” is back with a fresh print edition, as well as a newly available digital archive — and a bigger plan to become its own entertainment company.The revival is the passion product of JJ Kramer, the son of the magazine’s founder, the late Barry Kramer. “When CREEM ceased publication in 1989, it left a massive void that has never been filled, though many have tried,” JJ told The Post. “That’s why CREEM’s return is so significant; its unapologetic and wickedly funny sensibilities have been sorely missed by fans and bands alike.