Fans of Hatsune Miku arrived at the singer’s Friday night set at the Coachella Valley Music and Arts Festival to encounter a bitter disappointment: Their idol had been flattened. For any other Coachella performer, the jump from three dimensions to two would involve a surreal, painful death. But thankfully, Hatsune Miku isn’t real, she’s just lines of computer code. Specifically, the popular digital artist is a Vocaloid, an AI-backed program that artificially generates songs that imitate the... Read this story