Trombonist, bandleader and culture columnist Eric Felten had a terrific essay in today's Wall Street Journal exploring the popular and cynical sides of popular music... and what makes certain musicians really catch on with the fan base. Even when some of us could, would and do consider the product to be junk. Give a read to the article, appropriately titled: "Is There a Scientific Explanation for Justin Bieber? There is much food for thought. And I'm rather certain you'll get a chuckle out of the Eminem quote.