One of the most prolific vinyl collections belongs to a DJ who only surfaces every now and then. And when he does, legions of fans wait on baited breath, desperate to taste the latest brew from Josh Davis, otherwise known as DJ Shadow . DJs like Shadow usually begin creating underground. Their music is the result of months of sampling and cutting to form entirely new sounds. These new tunes form in darkness, outside the purview of record labels, radio stations, and the majority of listeners. It's a bit romanticized, but there's also much truth to the underground creative process and secretive DJ battles that occur in real life, where other DJs rate their peers. For those who have witnessed a live battle, it's a unique environment where an unknown DJ can conceivably, on any given night, spin records better than pros like DJ Shadow. Yes, this is another post about Turntable.fm .