[shrikant]

You'd find some great suggestions in these past two discussions. [1] [2]

I also picked up a Grooveshark playlist from someone (but can't rememeber where I got it from) that works really well: http://grooveshark.com/#!/playlist/Ambient/54561881

[1] https://news.ycombinator.com/item?id=3547694

[2] https://news.ycombinator.com/item?id=3900711