The mobile music market is predicted to hit $676 million in 2014, up from $143 million this year, according to a report from eMarketer. The number of mobile music listeners is expected to rise from
21.7 million this year to 52 million in 2014, eMarketer estimates, and paid revenues from subscription streaming services and full-song downloads will jump 55% from 2009 to 2014, reaching $501 million
that year.