20KCD12 USA KCD Music and sounds! 20KCD12’s tracks The Calculus Rap by 20KCD12 published on 2013-05-27T19:30:56Z Calc Rap Test by 20KCD12 published on 2013-05-08T23:36:53Z Mr Grinch (Instrumental) by 20KCD12 published on 2013-04-02T00:40:53Z SRT Final Project (Dubstep/Techno) by 20KCD12 published on 2013-01-23T23:32:06Z Beat(Test) by 20KCD12 published on 2013-01-11T01:34:47Z