Mat Diablo is your host for this countdown of the Top 50 Breakout Artists of 2012. This countdown represents the most Hearted, most listened to, and most searched for new artists of 2012 on Slacker Radio. Combine the songs that you listened to and discovered in 2012 with the expertise of Slacker's curators, and you've got a station that features the 50 most critical Breakout Artists of 2012!
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