mash-up [ mash -uhp] noun 1. Music, Slang . a recording that combines vocal and instrumental tracks from two or more recordings. 2. Slang . a creative combination or mixing of content from different sources: movie mash-ups; a Web mash-up that overlays digital maps with crime statistics. (Dictionary) For all intensive purposes, the genre was formed in an effort to express 21st Century youths' interpretation of "The Remix." Usually composed by college frat dudes eager fans from their desktop computers. Mash-Ups have become increasing more and more note-able since the early 2000's; with Popular artists including Girl Talk , Danger Mouse , "The Beastles," Dean Grey , and Max Tannone , amongst other DJ's. Since it's inception, the genre has become increasing legitimized as time passes, thanks to Creative Commons [licenses]. Right around 2004, New York -based DJ Reset released "Frontin' On Debra," his premier release... as well as...