Speaking at a US music industry event, EMI’s senior vice president of digital, Lauren Berkowitz, said that the company has seen success with its DRM-free sales. “The initial results of DRM-free music are good,” Berkowitz said. EMI is currently selling DRM-free music through both iTunes and 7Digital, with plans to offer their catalog through both Amazon and PassAlong Networks. Berkowitz also said that the move to a DRM-free format…