Although Mac users account for only about 8 percent of the US web traffic—much higher if you live on the West Coast or in the North East—we generate by some estimates up to 40 percent of Web 2.0 available. Needless to say, we're generating the really cool 40 percent—the other 60 percent is fodder for social critics and productivity analysts.
A fine example of great tools meeting up with a fertile mind is a freshly minted YouTube video from solomania9—OS X system sounds composed as music in GarageBand.
OK, so this might have more to do with click hop than Mozart, but it's still really cool...