Watch Bombuj. American Artifact chronicles the rise of American rock poster art since it's birth in the'60s. Award-winning director, Merle Becker crosses the country interviewing the rock poster artists from the different eras to discover that America is currently in the midst of a 21st century "rock poster art movement", where thousands of artists around the country are doing silk screened rock poster art inspired by their local scene, the music of our time, and the spirit of our era.