So far we've had a guy rap on stage, live, while collaborating with his partner across the country. Then we have this BizSpark company, PlayMyTone, making instant music in less than 30 seconds.
Here's a video of the CEO Ohad Sheffer, which he put together for ThinkNext. It's the same demonstration he gave at DEMO, but a little more polished.
"Powered by patent pending novel technology, Tonify, by Play My Tone, allows the most unskilled user to mix his favorite music into multi-layer, personalized hi-fi mix in less than 30 seconds and legally share it with his friends."