When Vietnamese rapper Nah’s mom first heard his song, “DMCS (Dit Me Cong San / Fuck Communism),” she cried and begged him to take it off the internet. With over one million views on YouTube since January 2015, “DMCS” blatantly critiques the Vietnamese government as corrupt, greedy and oppressive towards Vietnamese people. It wasn’t long before high ranking cops and military officials showed up at Nah’s parents’ house in Saigon, demanding that they make Nah remove the song. “They threatened my family,” said Nah, “saying that ‘If Nah keeps doing this and if he’s not taking down that video, very…