ConcreteBeat could take up the good part of a long lifetime.
The blog's author videos musicians, painters and whatnot performing on the streets of New York City. And he videos on-the-spot interviews with these folks. Tons of cool stuff.
Since you gotta go there to believe it, I'll link you to a couple of examples:
The famous at 15 inventor of plastic bucket drumming, Larry Wright performing with his wife Sonya.
Recent performances of/interview with classically trained violinist, Luellen Abdoo.