Guruger.com - Music that matches your mood

So it´s raining outside and you want some “rainy” music? Guruger is a music sharing site that lets you enter unconventional music searches to match your every mood, even the weather. You don´t have to upload or download anything, you can listen to and share your music directly from your web browser. You can upload and stream your music, share, and then find others with similar music tastes to swap information on all the bands, which you of course, knew when they were still underground. Whether you´re into the mainstream or the underground, Guruger gives you an entirely new method of searching for the music which you´ll love. Search by mood, weather, color, genre, artist, or song and instantly find new bands and people who are likeminded.

‘With Guruger, you and your friends can listen to your music from anywhere via a web browser.

How are they dodging legal bullets? Are there other social networking features besides just playlist viewing where you can connect and chat with other users who have similar music tastes?