This website will help you out a lot -> www.old.thesixtyone.com
(the old infront of the URL simply takes you to the older and more easily navigatible version of the website.)
YES, I know that there is a lot of hipster shit on the website (DISCLAIMER: I am not against hipster music, I find some of it good in my opinion, but most of NS seems to dislike it.) but if you dig a bit you can find some good stuff, here's an example:
Just listen to Haterism, not too bad for a free download. It also features quests which are basically achievements you get to earn reputation on the site. If you end up making an account, say you were referred by me, niklampard. Now go have fun NS.
AND I am pretty sure my links will be fucked so +K to anybody who fixes them.