Mashups!

Here are three of my favorite!!

Jay-Z and the Verve: makes rap sound beautiful.
http://hypem.com/track/534074/The+Verve+Vs.+Jay-Z-Brush+Your+Bitter+Sweet+Shoulders+Off

Missy Elliot vs Santo Gold: Amazing mix of missy's rap with guitar.
http://hypem.com/track/581547/ELLIOT+vs.+Santogold+vs.+Missy-Missy+Lights

and to top it off the sweetest mashup ive heard:
Has a mix of coldplay, cut copy, bloc party, the blow, MIA, and weezer and more i beleive.
http://hypem.com/track/553742/Coldp...ow-Fish+Tacos+(Immuzikation+ExtraTartarBlend)

Enjoy Ladies