Looking for some help finding a website where I can sign up, enter some artists (Trance, Psytrance, House and Electro) and whenever they have a new release i will be notified.

myspace

http://mp3shops.org/ enjoy!

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http://www.myspace.com/deadmau5sucks add yourself

www.beatport.com have their "my beatport" feature. you can add your favourite artists/labels.

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Colorize (Enhanced Music)
http://www.beatport.com/label/colorize-enhanced/22655