I usually avoid TED videos that look like it's just a music performance, I'm glad I clicked on this one however, he goes into how the best music is usually based on another song in the past, and how re-sampling is an art form.

Sampling isn't about "hijacking nostalgia wholesale," says Mark Ronson. It's about inserting yourself into the narrative of a song while also pushing that story forward. Watch the DJ scramble 15 TED Talks into an audio-visual omelette, and trace the evolution of "La Di Da Di," Doug E. Fresh and Slick Rick's 1984 hit that has been reimagined for every generation since.

A mashup of top 25 billboard hits of 2009 (mp3 download)

Looks like Eminem is doing more than just slapping his name on the Renegade Edition. Check out the video after the break in which he sits down to talk about the game and issues a challenge to none other than DJ Jazzy Jeff.