Hype Machine is a music aggregator which scrapes a number of blogs for the newest and coolest songs.
Ranked in these QuestionsQuestion Ranking
Pro Scrapes almost 800 blogs
Hype Machine looks at content of hundreds of blogs and ranks songs by how often they are mentioned on these blogs.
Pro In-depth tags system
The music's tagged based on genres, location, blogs, novelty and other miscellaneous information.
Contrary to what is said in the Cons, one can personalize Hype Machine to the prefered music style. This can be done by following specific blogs writing on this style, then one will have newly discovered artists in one's feed. And it works pretty well, you can discover dozens of bands like this and buy their albums afterwards.
Con Not personalized
Music recommendations don't take your tastes into account, meaning this feed just shows what's trending on blogs in your country / in the genre you filtered by. This means you get a lot of false positives if your tastes aren't mainstream.