Tracking data from Nielsen SoundScan indicates that on-demand streaming of music content (including audio and video) rose 54 percent in 2014, from 106 billion song streams to 164 billion. At the same time, sales of digital albums fell 9 percent to 117.6 million; sales of individual songs dropped even further, down 12 percent to 1.26 billion. Combined physical and digital album sales slipped 11 percent to 257 million.
