Music sales down 4.9% in 2006, digital music up 65% in 2006

Nielsen SoundScan said 588.2 mln albums were sold in 2006, down 4.9% from 2005. But digital track sales increased by 65% from a year earlier, with 582 mln tracks sold, and digital album sales more than doubled, with nearly 33 mln sold 2005.