You know that catchy song "Somebody That I Used to Know" by Gotye? Well you weren't the only one who was listening to that song nonstop this past year. The tune was Spotify's most streamed song in 2012. Other top songs were Carly Rae Jepsen's "Call Me Maybe" and "We are Young" by fun. David Guetta is the streaming services top male artist of the year, while Rihanna was the most streamed female artist of the year and Coldplay was the most streamed group.