A web site that connects people based on their musical tastes. It's got tons of bells and whistles for recommending new music as well as ways of finding other people whose tastes in music don't suck.
Artists are encouraged to post songs, and it's free for everybody.
A selection of songs by artists on GorillaPop with some prattling by the lovely Broadway Baby in between each track explaining why GorillaPop is so much cooler than other free music or matchmaking sites.