Rdio (www.rdio.com) has released its year-end charts for 2013, showcasing the music that Rdio listeners could not get enough of throughout the year.  From Macklemore & Ryan Lewis to Imagine Dragons to Miley Cyrus, the charts capture the most-streamed albums and tracks of 2013 on Rdio.  Year-end coverage from Rdio also includes staff picks, predictions […]