I think the first two big areas of the net were music and porn. Then, when bandwidth and HTML grew, photography. Not any niche can be found.
Music Match seems to be project from a brand awareness company. It looks great but in my first visit I found bugs I'll have to report. The design is modern, and I listened to a few things, I'm not sure if it's worth messing with. I like to look at everything, though, thanks for mentioning it!
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