I enjoyed reading this article a lot.
http://www.factmag.com/2013/08/15/rise-of-the-sad-boys-from-kompakt-to-yung-lean-a-history-of-how-electronic-and-hip-hop-musicians-have-worn-their-sadness/
http://www.factmag.com/2013/08/15/rise-of-the-sad-boys-from-kompakt-to-yung-lean-a-history-of-how-electronic-and-hip-hop-musicians-have-worn-their-sadness/