"Rest In Peace to Christopher Wallace/ More money more problems/ And less people than when you started." - Machine Gun Kelly, "Against the World"Machine Gun Kelly drops his sentimental new song "Against the World" today. The Cleveland rapper rhymes about losing friends on his new song produced by Slim Gudz and he also raps about the woes that come along with being successful. MGK is currently working on his second studio album. Check out "Against the World" above and let us know what you think.