http://nateural.tumblr.com/post/153015506460/kasnas-citra-lila-3365-you-were-one-inch This mash-up of MGMT’s 2007 song “Kids” with Passion Pit’s 2009 “Sleepyhead” is a popular form on remix on the internet, in which creators merge two already existing songs into one MP3, often by layering the vocal track from one song over the instrumental track of another. This particular MP3 was shared on Tumblr by an anonymous user—the link…