With 2012 coming to a close, trend-setting singer Cassie is set to

With 2012 coming to a close, trend-setting singer Cassie is set to start 2013 off with a banging track called “End Of The Line.” Film in a desert, Cassie lets her lover know she’s at her wits end with his antics. The track will likely appear on her forthcoming mixtape Rock-A-Bye Baby.