Stream Clockwork Platinum by Koji Riotz on Artist Sounds. Repping all the way from Boston, MA the young emcee by the name of Koji Riotz dropped in on fans with the release of his new track titled Clockwork Platinum. This track really displays Koji's lyrical capacity as he delivers two of of his more aggressive verses thus far. The beat boasts a grungy east-coast hip-hop feel that compliments his flow very well. Stream Clockwork Platinum now and be sure to follow Koji Riots on SoundCloud.